Activate Phyrexian Altar by sacrificing Nether Traitor, adding .
When Nether Traitor dies, Anax triggers, creating a creature token.
Activate Phyrexian Altar by sacrificing the creature token, adding one mana of any color.
When the creature token dies, Nether Traitor triggers, causing you to pay to return Nether Traitor from your graveyard to the battlefield.
Repeat.

Activate Thermopod's second ability by sacrificing Squee, adding .
Squee dies, triggering Anax, creating a 1/1 Satyr creature token.
Activate Thermopod's second ability by sacrificing the Satyr, adding .
Cast Squee from your graveyard by paying .
Birgi triggers, adding .
Repeat.

Activate Phyrexian Altar by sacrificing Squee, adding .
Squee dies, triggering Anax, creating a 1/1 Satyr creature token.
Activate Phyrexian Altar by sacrificing the Satyr, adding .
Cast Squee from your graveyard by paying .
Birgi triggers, adding .
Repeat.

There have been a number of permanents sacrificed this turn equal to five plus The Balrog's commander tax.

Cast The Balrog from the command zone by paying .
Activate Phyrexian Altar by sacrificing The Balrog, adding .
Choose to return The Balrog to the command zone from your graveyard.
When The Balrog dies, it and Anax trigger.
Resolve the Balrog trigger, destroying any artifact and/or creature an opponent controls.
Resolve the Anax trigger, creating two 1/1 Satyr creature tokens.
Activate Phyrexian Altar by sacrificing a Satyr, adding .
Repeat.

Activate Phyrexian Altar by sacrificing Oathsworn Vampire, adding .
When Oathsworn Vampire dies, Anax triggers, creating a creature token.
Activate Phyrexian Altar by sacrificing the creature token, adding .
Cast Oathsworn Vampire from your graveyard by paying .
Repeat.

It is your upkeep step.
You control at least three artifacts.

During your upkeep, activate Ashnod's Altar by sacrificing Kuldotha Phoenix, adding .
When Kuldotha Phoenix dies, Anax triggers, creating two 1/1 Satyr creature tokens.
Activate Ashnod's Altar by sacrificing a Satyr, adding .
Activate Kuldotha Phoenix by paying , returning it from your graveyard to the battlefield.
Repeat.

Activate Phyrexian Altar by sacrificing Ozox, adding .
When Ozox dies, it and Anax trigger.
Resolve the Ozox trigger, creating a legendary 2/1 Jumblebones creature token.
Resolve the Anax trigger, creating a creature token.
Activate Phyrexian Altar twice by sacrificing Jumblebones and the other creature token, adding .
When Jumblebones dies, it triggers, returning Ozox from your graveyard to your hand.
Cast Ozox by paying .
Repeat.

Activate Thermopod's second ability by sacrificing Scrap Trawler, adding .
When Scrap Trawler dies, it and Anax trigger.
Resolve the Anax trigger, creating a 1/1 Satyr creature token.
Resolve the Scrap Trawler trigger, returning Myr Retriever from your graveyard to your hand.
Cast Myr Retriever by paying .
Activate Thermopod's second ability by sacrificing Myr Retriever, adding .
When Myr Retriever dies, it and Anax trigger.
Resolve the Anax trigger, creating a 1/1 Satyr creature token.
Resolve the Myr Retriever trigger, returning Scrap Trawler from your graveyard to your hand.
Activate Thermopod's second ability by sacrificing the Satyr, adding .
Cast Scrap Trawler by paying .
Repeat.

Activate Thermopod's second ability by sacrificing Junk Diver, adding .
When Junk Diver dies, it and Anax trigger.
Resolve the Anax trigger, creating a 1/1 Satyr creature token.
Resolve the Junk Diver trigger, returning Myr Retriever from your graveyard to your hand.
Cast Myr Retriever by paying .
Activate Thermopod's second ability by sacrificing Myr Retriever, adding .
When Myr Retriever dies, it and Anax trigger.
Resolve the Anax trigger, creating a 1/1 Satyr creature token.
Resolve the Myr Retriever trigger, returning Junk Diver from your graveyard to your hand.
Activate Thermopod's second ability by sacrificing the Satyr, adding .
Cast Junk Diver by paying .
Repeat.

Activate Thermopod's second ability by sacrificing Junk Diver, adding .
When Junk Diver dies, it and Anax trigger.
Resolve the Anax trigger, creating a 1/1 Satyr creature token.
Resolve the Junk Diver trigger, returning Myr Retriever from your graveyard to your hand.
Cast Myr Retriever by paying .
Activate Thermopod's second ability by sacrificing Myr Retriever, adding .
When Myr Retriever dies, it and Anax trigger.
Resolve the Anax trigger, creating a 1/1 Satyr creature token.
Resolve the Myr Retriever trigger, returning Junk Diver from your graveyard to your hand.
Activate Thermopod's second ability by sacrificing the Satyr, adding .
Cast Junk Diver by paying .
Repeat.

Activate Thermopod's second ability by sacrificing Scrap Trawler, adding .
When Scrap Trawler dies, it and Anax trigger.
Resolve the Anax trigger, creating a 1/1 Satyr creature token.
Resolve the Scrap Trawler trigger, returning Myr Retriever from your graveyard to your hand.
Cast Myr Retriever by paying .
Activate Thermopod's second ability by sacrificing Myr Retriever, adding .
When Myr Retriever dies, it and Anax trigger.
Resolve the Anax trigger, creating a 1/1 Satyr creature token.
Resolve the Myr Retriever trigger, returning Scrap Trawler from your graveyard to your hand.
Activate Thermopod's second ability by sacrificing the Satyr, adding .
Cast Scrap Trawler by paying .
Repeat.

Activate Thermopod's second ability by sacrificing Workshop Assistant, adding .
When Workshop Assistant dies, it and Anax trigger.
Resolve the Anax trigger, creating a 1/1 Satyr creature token.
Resolve the Workshop Assistant trigger, returning Junk Diver from your graveyard to your hand.
Activate Thermopod's second ability by sacrificing the Satyr, adding .
Cast Junk Diver by paying .
Activate Thermopod's second ability by sacrificing Junk Diver, adding .
When Junk Diver dies, it and Anax trigger.
Resolve the Anax trigger, creating a 1/1 Satyr creature token.
Resolve the Junk Diver trigger, returning Workshop Assistant from your graveyard to your hand.
Activate Thermopod's second ability by sacrificing the Satyr, adding .
Cast Workshop Assistant by paying .
Repeat.

Activate Thermopod's second ability by sacrificing Workshop Assistant, adding .
When Workshop Assistant dies, it and Anax trigger.
Resolve the Anax trigger, creating a 1/1 Satyr creature token.
Resolve the Workshop Assistant trigger, returning Myr Retriever from your graveyard to your hand.
Cast Myr Retriever by paying .
Activate Thermopod's second ability by sacrificing Myr Retriever, adding .
When Myr Retriever dies, it and Anax trigger.
Resolve the Anax trigger, creating a 1/1 Satyr creature token.
Resolve the Myr Retriever trigger, returning Workshop Assistant from your graveyard to your hand.
Activate Thermopod's second ability by sacrificing the Satyr, adding .
Cast Workshop Assistant by paying .
Repeat.

Activate Ashnod's Altar by sacrificing Nether Traitor, adding .
Nether Traitor dies, triggering Anax, crating a 1/1 Satyr creature token.
Activate Bog Initiate by paying , adding .
Activate Ashnod's Altar by sacrificing the Satyr token, adding .
The Satyr dies, triggering Nether Traitor, causing you to pay to return Nether Traitor from your graveyard to the battlefield.
Repeat.

Activate Thermopod's second ability by sacrificing Workshop Assistant, adding .
When Workshop Assistant dies, it and Anax trigger.
Resolve the Anax trigger, creating a 1/1 Satyr creature token.
Resolve the Workshop Assistant trigger, returning Junk Diver from your graveyard to your hand.
Activate Thermopod's second ability by sacrificing the Satyr, adding .
Cast Junk Diver by paying .
Activate Thermopod's second ability by sacrificing Junk Diver, adding .
When Junk Diver dies, it and Anax trigger.
Resolve the Anax trigger, creating a 1/1 Satyr creature token.
Resolve the Junk Diver trigger, returning Workshop Assistant from your graveyard to your hand.
Activate Thermopod's second ability by sacrificing the Satyr, adding .
Cast Workshop Assistant by paying .
Repeat.

Activate Thermopod's second ability by sacrificing Workshop Assistant, adding .
When Workshop Assistant dies, it and Anax trigger.
Resolve the Anax trigger, creating a 1/1 Satyr creature token.
Resolve the Workshop Assistant trigger, returning Myr Retriever from your graveyard to your hand.
Cast Myr Retriever by paying .
Activate Thermopod's second ability by sacrificing Myr Retriever, adding .
When Myr Retriever dies, it and Anax trigger.
Resolve the Anax trigger, creating a 1/1 Satyr creature token.
Resolve the Myr Retriever trigger, returning Workshop Assistant from your graveyard to your hand.
Activate Thermopod's second ability by sacrificing the Satyr, adding .
Cast Workshop Assistant by paying .
Repeat.

Activate Thermopod's second ability by sacrificing Junk Diver, adding .
When Junk Diver dies, it and Anax trigger.
Resolve the Anax trigger, creating a 1/1 Satyr creature token.
Resolve the Junk Diver trigger, returning Myr Retriever from your graveyard to your hand.
Cast Myr Retriever by paying .
Activate Thermopod's second ability by sacrificing Myr Retriever, adding .
When Myr Retriever dies, it and Anax trigger.
Resolve the Anax trigger, creating a 1/1 Satyr creature token.
Resolve the Myr Retriever trigger, returning Junk Diver from your graveyard to your hand.
Activate Thermopod's second ability by sacrificing the Satyr, adding .
Cast Junk Diver by paying .
Repeat.

You control an additional Zombie.

Activate Ashnod's Altar by sacrificing Gravecrawler, adding .
Anax triggers, creating a 1/1 Satyr creature token.
Activate Bog Initiate by paying , adding .
Cast Gravecrawler from your graveyard by paying .
Repeat any number of times.
Activate Ashnod's Altar any number of times by sacrificing any number of Satyr tokens, adding any amount of colorless mana.
Activate Bog Initiate any number of times by paying any amount of colorless mana, adding any amount of black mana.

Activate Thermopod's second ability by sacrificing Workshop Assistant, adding .
When Workshop Assistant dies, it and Anax trigger.
Resolve the Anax trigger, creating a 1/1 Satyr creature token.
Resolve the Workshop Assistant trigger, returning Junk Diver from your graveyard to your hand.
Activate Thermopod's second ability by sacrificing the Satyr, adding .
Cast Junk Diver by paying .
Activate Thermopod's second ability by sacrificing Junk Diver, adding .
When Junk Diver dies, it and Anax trigger.
Resolve the Anax trigger, creating a 1/1 Satyr creature token.
Resolve the Junk Diver trigger, returning Workshop Assistant from your graveyard to your hand.
Activate Thermopod's second ability by sacrificing the Satyr, adding .
Cast Workshop Assistant by paying .
Repeat.

Activate Thermopod's second ability by sacrificing Workshop Assistant, adding .
When Workshop Assistant dies, it and Anax trigger.
Resolve the Anax trigger, creating a 1/1 Satyr creature token.
Resolve the Workshop Assistant trigger, returning Myr Retriever from your graveyard to your hand.
Cast Myr Retriever by paying .
Activate Thermopod's second ability by sacrificing Myr Retriever, adding .
When Myr Retriever dies, it and Anax trigger.
Resolve the Anax trigger, creating a 1/1 Satyr creature token.
Resolve the Myr Retriever trigger, returning Workshop Assistant from your graveyard to your hand.
Activate Thermopod's second ability by sacrificing the Satyr, adding .
Cast Workshop Assistant by paying .
Repeat.

Activate Thermopod's second ability by sacrificing Scrap Trawler, adding .
When Scrap Trawler dies, it and Anax trigger.
Resolve the Anax trigger, creating a 1/1 Satyr creature token.
Resolve the Scrap Trawler trigger, returning Myr Retriever from your graveyard to your hand.
Cast Myr Retriever by paying .
Activate Thermopod's second ability by sacrificing Myr Retriever, adding .
When Myr Retriever dies, it and Anax trigger.
Resolve the Anax trigger, creating a 1/1 Satyr creature token.
Resolve the Myr Retriever trigger, returning Scrap Trawler from your graveyard to your hand.
Activate Thermopod's second ability by sacrificing the Satyr, adding .
Cast Scrap Trawler by paying .
Repeat.

You control an additional Zombie.

Activate Ashnod's Altar by sacrificing Gravecrawler, adding .
Anax triggers, creating a 1/1 Satyr creature token.
Activate Prismite by paying , adding .
Cast Gravecrawler from your graveyard by paying .
Repeat any number of times.
Activate Ashnod's Altar any number of times by sacrificing any number of Satyr tokens, adding any amount of colorless mana.
Activate Prismite any number of times by paying any amount of colorless mana, adding any amount of colored mana.

You control an additional Zombie.

Activate Ashnod's Altar by sacrificing Gravecrawler, adding .
Anax triggers, creating a 1/1 Satyr creature token.
Activate Gemstone Array by paying , putting a charge counter on it.
Activate Gemstone Array by removing a charge counter, adding .
Cast Gravecrawler from your graveyard by paying .
Repeat any number of times.
Activate Ashnod's Altar any number of times by sacrificing any number of Satyr tokens, adding any amount of colorless mana.
Activate Gemstone Array any number of times by paying any amount of colorless mana, adding any number of charge counters.
Activate Gemstone Array any number of times by removing any number of charge counters, adding any amount of colored mana.

"Artifact" or "Creature" chosen with Cloud Key.

Activate Thermopod's second ability by sacrificing Junk Diver, adding .
When Junk Diver dies, it and Anax trigger.
Resolve the Anax trigger, creating a 1/1 Satyr creature token.
Resolve the Junk Diver trigger, returning Myr Retriever from your graveyard to your hand.
Cast Myr Retriever by paying .
Activate Thermopod's second ability by sacrificing Myr Retriever, adding .
When Myr Retriever dies, it and Anax trigger.
Resolve the Anax trigger, creating a 1/1 Satyr creature token.
Resolve the Myr Retriever trigger, returning Junk Diver from your graveyard to your hand.
Activate Thermopod's second ability by sacrificing the Satyr, adding .
Cast Junk Diver by paying .
Repeat.

Activate Ashnod's Altar by sacrificing Sephiroth, adding .
When Sephiroth dies, Anax triggers, creating two 1/1 Satyr creature tokens.
When the Satyrs enter the battlefield, Cathars' Crusade triggers twice, putting two +1/+1 counters on each creature you control.
Activate Ashnod's Altar by sacrificing a Satyr, adding .
Activate Sephiroth by paying and sacrificing a Satyr, returning Sephiroth from your graveyard to the battlefield.
When Sephiroth enters, Cathars' Crusade triggers, putting a +1/+1 counter on each creature you control.
Repeat.

You can forego sacrificing a Satyr in step 4 if mana allows.

Activate Ashnod's Altar by sacrificing Nether Traitor, adding .
Nether Traitor dies, triggering Anax, crating a 1/1 Satyr creature token.
Activate Prismite by paying , adding .
Activate Ashnod's Altar by sacrificing the Satyr token, adding .
The Satyr dies, triggering Nether Traitor, causing you to pay to return Nether Traitor from your graveyard to the battlefield.
Repeat.

Activate Ashnod's Altar by sacrificing Nether Traitor, adding .
Nether Traitor dies, triggering Anax, crating a 1/1 Satyr creature token.
Activate Gemstone Array's first ability by paying , putting a charge counter on it.
Activate Gemstone Array's second ability by removing a charge counter from it, adding .
Activate Ashnod's Altar by sacrificing the Satyr token, adding .
The Satyr dies, triggering Nether Traitor, causing you to pay to return Nether Traitor from your graveyard to the battlefield.
Repeat.

You control an additional Zombie.

Activate Ashnod's Altar by sacrificing Gravecrawler, adding .
Anax triggers, creating a 1/1 Satyr creature token.
Activate Signpost Scarecrow by paying , adding .
Cast Gravecrawler from your graveyard by paying .
Repeat any number of times.
Activate Ashnod's Altar any number of times by sacrificing any number of Satyr tokens, adding any amount of colorless mana.
Activate Signpost Scarecrow any number of times by paying any amount of colorless mana, adding any amount of colored mana.

Activate Ashnod's Altar by sacrificing Nether Traitor, adding .
Nether Traitor dies, triggering Anax, crating a 1/1 Satyr creature token.
Activate Signpost Scarecrow by paying , adding .
Activate Ashnod's Altar by sacrificing the Satyr token, adding .
The Satyr dies, triggering Nether Traitor, causing you to pay to return Nether Traitor from your graveyard to the battlefield.
Repeat.

Activate Thermopod's second ability by sacrificing Narfi, adding .
Narfi dies, triggering Anax, creating two 1/1 Satyr creature tokens.
Activate Thermopod twice by sacrificing the Satyrs, adding .
Activate Narfi by paying , returning it from your graveyard to the battlefield tapped.
Repeat.

"Artifact" or "Creature" chosen with Cloud Key.

Activate Thermopod's second ability by sacrificing Workshop Assistant, adding .
When Workshop Assistant dies, it and Anax trigger.
Resolve the Anax trigger, creating a 1/1 Satyr creature token.
Resolve the Workshop Assistant trigger, returning Junk Diver from your graveyard to your hand.
Activate Thermopod's second ability by sacrificing the Satyr, adding .
Cast Junk Diver by paying .
Activate Thermopod's second ability by sacrificing Junk Diver, adding .
When Junk Diver dies, it and Anax trigger.
Resolve the Anax trigger, creating a 1/1 Satyr creature token.
Resolve the Junk Diver trigger, returning Workshop Assistant from your graveyard to your hand.
Activate Thermopod's second ability by sacrificing the Satyr, adding .
Cast Workshop Assistant by paying .
Repeat.

"Artifact" or "Creature" chosen with Cloud Key.

Activate Thermopod's second ability by sacrificing Workshop Assistant, adding .
When Workshop Assistant dies, it and Anax trigger.
Resolve the Anax trigger, creating a 1/1 Satyr creature token.
Resolve the Workshop Assistant trigger, returning Myr Retriever from your graveyard to your hand.
Cast Myr Retriever by paying .
Activate Thermopod's second ability by sacrificing Myr Retriever, adding .
When Myr Retriever dies, it and Anax trigger.
Resolve the Anax trigger, creating a 1/1 Satyr creature token.
Resolve the Myr Retriever trigger, returning Workshop Assistant from your graveyard to your hand.
Activate Thermopod's second ability by sacrificing the Satyr, adding .
Cast Workshop Assistant by paying .
Repeat.

"Artifact" or "Creature" chosen with Cloud Key.

Activate Thermopod's second ability by sacrificing Scrap Trawler, adding .
When Scrap Trawler dies, it and Anax trigger.
Resolve the Anax trigger, creating a 1/1 Satyr creature token.
Resolve the Scrap Trawler trigger, returning Myr Retriever from your graveyard to your hand.
Cast Myr Retriever by paying .
Activate Thermopod's second ability by sacrificing Myr Retriever, adding .
When Myr Retriever dies, it and Anax trigger.
Resolve the Anax trigger, creating a 1/1 Satyr creature token.
Resolve the Myr Retriever trigger, returning Scrap Trawler from your graveyard to your hand.
Activate Thermopod's second ability by sacrificing the Satyr, adding .
Cast Scrap Trawler by paying .
Repeat.

Hell's Caretaker does not have summoning sickness.
It is your upkeep step.

During your upkeep, activate Teardrop Kami by sacrificing it, targeting Hell's Caretaker.
When Teardrop Kami dies, Anax triggers, creating a 1/1 Satyr creature token.
Resolve the Teardrop Kami trigger, untapping Hell's Caretaker.
Activate Hell's Caretaker by tapping it and sacrificing the Satyr, returning Teardrop Kami from your graveyard to the battlefield.
Repeat.

Activate Thermopod by sacrificing Squee, adding .
When Squee dies, Anax triggers, creating a creature token.
Activate Thermopod by sacrificing the creature token, adding .
Cast Squee from your graveyard by paying due to Green Goblin.
Repeat.

Activate Phyrexian Altar by sacrificing Squee, adding .
When Squee dies, Anax triggers, creating a creature token.
Activate Phyrexian Altar by sacrificing the creature token, adding .
Cast Squee from your graveyard by paying due to Green Goblin.
Repeat.

Activate Thermopod by sacrificing Circle of the Land Druid, adding .
When Circle of the Land Druid dies, its second ability, Anax and Pitiless Plunderer trigger.
Resolve the Anax trigger, creating a creature token.
Resolve the Circle of the Land Druid trigger, returning Takenuma from your graveyard to your hand.
Resolve the Pitiless Plunderer trigger, creating a Treasure token.
Activate Thermopod by sacrificing the creature token, adding
When the creature token dies, Pitiless Plunderer triggers, creating a Treasure token.
Activate the Treasures by tapping and sacrificing them, adding .
Activate Takenuma's channel ability by paying at most , returning Circle of the Land Druid from your graveyard to your hand.
Cast Circle of the Land Druid by paying .
When Circle of the Land Druid enters, its first ability triggers, allowing you to mill four cards.
Repeat.

Activate Ashnod's Altar by sacrificing Circle of the Land Druid, adding .
When Circle of the Land Druid dies, its second ability, Anax and Pitiless Plunderer trigger.
Resolve the Anax trigger, creating a creature token.
Resolve the Circle of the Land Druid trigger, returning Takenuma from your graveyard to your hand.
Resolve the Pitiless Plunderer trigger, creating a Treasure token.
Activate Ashnod's Altar by sacrificing the creature token, adding .
When the creature token dies, Pitiless Plunderer triggers, creating a Treasure token.
Activate the Treasures by tapping and sacrificing them, adding .
Activate Takenuma's channel ability by paying at most , returning Circle of the Land Druid from your graveyard to your hand.
Cast Circle of the Land Druid by paying .
When Circle of the Land Druid enters, its first ability triggers, allowing you to mill four cards.
Repeat.