You control at least two other planeswalkers.
Teferi has an amount of loyalty counters on it equal to eleven minus twice the number of other planeswalkers you control.

Activate The Chain Veil by paying and tapping it, allowing an extra activation of your planeswalkers' abilities this turn.
Activate Teferi by putting zero loyalty counters on it, putting a loyalty counter on itself.
Repeat step 2 twice for each other planeswalker you control.
Activate Teferi's third loyalty ability by removing ten loyalty counters from it, causing you to take two extra turns after this one.
Move to your first extra turn.
Repeat steps 1 through 3.
Move to your second extra turn.
Repeat from step 1.

You control at least two other planeswalkers.
Teferi has an amount of loyalty counters on it equal to eleven minus twice the number of other planeswalkers you control.

Activate Teferi by putting zero loyalty counters on it, putting a loyalty counter on itself.
Repeat step 1 twice for each other planeswalker you control.
Activate Teferi's third loyalty ability by removing ten loyalty counters from it, causing you to take two extra turns after this one.
Move to your first extra turn.
Repeat steps 1 and 2.
Move to your second extra turn.
Repeat.

Teferi has at least six loyalty counters on it.

Activate The Eternal Wanderer's first loyalty ability by putting a loyalty counter on it, exiling Deepglow Skate until your end step.
At the beginning of your end step, The Eternal Wanderer triggers, returning Deepglow Skate from exile to the battlefield.
When Deepglow Skate enters the battlefield, it triggers, doubling the counters on Teferi.
Activate Teferi's third loyalty ability by removing ten loyalty counters from it, causing you to take two extra turns after this one.
Move to your first extra turn.
Activate The Eternal Wanderer's first loyalty ability by putting a loyalty counter on it, exiling Deepglow Skate until your end step.
Activate Teferi's first loyalty ability by putting a loyalty counter on it, causing you to loot.
At the beginning of your end step, The Eternal Wanderer triggers, returning Deepglow Skate from exile to the battlefield.
When Deepglow Skate enters the battlefield, it triggers, doubling the counters on Teferi.
Move to your second extra turn.
Repeat.

You control at least two other planeswalkers.
Rowan's Talent attached to Teferi.
Teferi has an amount of loyalty counters on it equal to or greater than eleven minus the number of other planeswalkers you control.

Activate any other planeswalker you control by putting zero loyalty counters on it, putting a loyalty counter to Teferi.
Repeat step 1 for each other planeswalker you control.
Activate Teferi's third loyalty ability by removing ten loyalty counters from it.
Rowan's Talent triggers, copying Teferi's ability.
Resolve both Teferi abilities, causing you to take four extra turns after this one.
Move to your next extra turn.
Activate Teferi by putting zero loyalty counters on it.
Rowan's Talent triggers, copying Teferi's ability.
Resolve both Teferi abilities, causing you to put two loyalty counters on it.
Repeat steps 1 and 2.
Repeat from step 6 two additional times.
Move to your final extra turn.
Repeat from step 1.

Teferi has at least eight loyalty counters on it.
You control at least three additional planeswalkers.

Activate a planeswalker you control by putting zero loyalty counters on it, putting a loyalty counter on each planeswalker you control.
Repeat step 1 two additional times.
Activate Teferi's third loyalty ability by removing ten loyalty counters from it, causing you to take two extra turns after this one.
Activate Aminatou's second loyalty ability by removing a loyalty counter from it, blinking Teferi.
Activate Teferi's first loyalty ability by putting a loyalty counter on it, causing you to loot.
Move to your first extra turn.
Activate Teferi's first loyalty ability by putting a loyalty counter on it, causing you to loot.
Repeat step 1 three additional times.
Move to your second extra turn.
Repeat.

Activate Aetheric Amplifier by paying and tapping it, doubling the loyalty counters on Teferi.
Activate Teferi's third loyalty ability by removing ten loyalty counters from it, causing you to take two extra turns after this one.
Move to your first extra turn.
Activate Teferi's first loyalty ability by putting a loyalty counter on it, causing you to loot.
Activate Aetheric Amplifier by paying and tapping it, doubling the loyalty counters on Teferi.
Move to your second extra turn and repeat.

Teferi has at least six loyalty counters on it.

Activate Venser's first loyalty ability by putting two loyalty counters on it, exiling Deepglow Skate until your end step.
At the beginning of your end step, Venser triggers, returning Deepglow Skate to the battlefield from exile.
When Deepglow Skate enters the battlefield, it triggers, doubling the number of counters on Teferi.
Activate Teferi's third loyalty ability by removing ten loyalty counters from it, causing you to take two extra turns after this one.
Move to your first extra turn.
Activate Teferi's first loyalty ability by putting a loyalty counter on it, causing you to loot.
Repeat steps 1 through 3 one additional time.
Move to your second extra turn.
Repeat.

Teferi has at least seven loyalty counters on it.
Ajani Steadfast has at least three loyalty counters on it.

Activate Ajani Steadfast's second loyalty ability by removing two loyalty counters from it, putting two +1/+1 counters on each creature you control, and two loyalty counters on each other planeswalker you control.
Activate Ajani, the Greathearted's second loyalty ability by removing two loyalty counters from it, putting two +1/+1 counters on each creature you control, and two loyalty counters on each other planeswalker you control.
Activate Teferi's third loyalty ability by removing ten loyalty counters from it, causing you to take two extra turns after this one.
Move to your next turn.
Activate Ajani Steadfast's second loyalty ability by removing two loyalty counters from it, putting two +1/+1 counters on each creature you control, and two loyalty counters on each other planeswalker you control.
Activate Ajani, the Greathearted's second loyalty ability by removing two loyalty counters from it, putting two +1/+1 counters on each creature you control, and two loyalty counters on each other planeswalker you control.
Activate Teferi's first loyalty ability by putting two loyalty counters on it, causing you to loot.
Move to your next turn.
Repeat.

Teferi has at least seven loyalty counters on it.
Ajani Steadfast has at least three loyalty counters on it.

Activate Ajani Steadfast's second loyalty ability by removing two loyalty counters from it, putting two +1/+1 counters on each creature you control, and two loyalty counters on each other planeswalker you control.
Activate Ajani, the Greathearted's second loyalty ability by removing two loyalty counters from it, putting two +1/+1 counters on each creature you control, and two loyalty counters on each other planeswalker you control.
Activate Teferi's third loyalty ability by removing ten loyalty counters from it, causing you to take two extra turns after this one.
Move to your next turn.
Activate Ajani Steadfast's second loyalty ability by removing two loyalty counters from it, putting two +1/+1 counters on each creature you control, and two loyalty counters on each other planeswalker you control.
Activate Ajani, the Greathearted's second loyalty ability by removing two loyalty counters from it, putting two +1/+1 counters on each creature you control, and two loyalty counters on each other planeswalker you control.
Activate Teferi's first loyalty ability by putting two loyalty counters on it, causing you to loot.
Move to your next turn.
Repeat.

Teferi has at least seven loyalty counters on it.
Ajani Steadfast has at least three loyalty counters on it.

Activate Ajani Steadfast's second loyalty ability by removing two loyalty counters from it, putting two +1/+1 counters on each creature you control, and two loyalty counters on each other planeswalker you control.
Activate Ajani, the Greathearted's second loyalty ability by removing two loyalty counters from it, putting two +1/+1 counters on each creature you control, and two loyalty counters on each other planeswalker you control.
Activate Teferi's third loyalty ability by removing ten loyalty counters from it, causing you to take two extra turns after this one.
Move to your next turn.
Activate Ajani Steadfast's second loyalty ability by removing two loyalty counters from it, putting two +1/+1 counters on each creature you control, and two loyalty counters on each other planeswalker you control.
Activate Ajani, the Greathearted's second loyalty ability by removing two loyalty counters from it, putting two +1/+1 counters on each creature you control, and two loyalty counters on each other planeswalker you control.
Activate Teferi's first loyalty ability by putting two loyalty counters on it, causing you to loot.
Move to your next turn.
Repeat.

Activate Nicol Bolas using Karn's first loyalty ability by putting four loyalty counters on it, causing a player to exile a card from their hand.
Activate Aminatou's first loyalty ability by putting a loyalty counter on it.
During your next turn, activate Nicol Bolas using Teferi's third loyalty ability by removing ten loyalty counters from it, causing you to take two extra turns after this one.
Activate Aminatou's second loyalty ability by removing a loyalty counter from it, blinking Nicol Bolas, causing it to re-enter the battlefield with four loyalty counters on it.
Activate Nicol Bolas using Karn's first loyalty ability by putting four loyalty counters on it, causing a player to exile a card from their hand.
Repeat.

This combo requires a turn of setup before getting infinite turns. If you are able to activate Teferi or Nicol Bolas for infinite turns, you may do so to get around this.

Ajani Steadfast has at least three loyalty counters on it.
Ajani, the Greathearted has at least two loyalty counters on it.
Teferi has at least eight loyalty counters on it.

Activate Ajani Steadfast's second loyalty ability by removing two loyalty counters from it, putting a loyalty counter on each other planeswalker you control.
Activate Ajani, the Greathearted's second loyalty ability by removing two loyalty counters from it, putting a loyalty counter on each other planeswalker you control.
Activate Nicol-Bolas using Ajani Steadfast's second loyalty ability by removing two loyalty counters from it, putting a loyalty counter on each other planeswalker you control.
Activate Teferi's third loyalty ability by removing ten loyalty counters from it, causing you to take two extra turns after this one.
Activate Aminatou's second loyalty ability by removing a loyalty counter from it, blinking Teferi.
Activate Teferi's first loyalty ability by putting a loyalty counter on it, causing you to loot.
Move to your first extra turn.
Activate Teferi's first loyalty ability by putting a loyalty counter on it, causing you to loot.
Repeat steps 1-3 one additional time.
Move to your second extra turn.
Repeat.

Teferi has at least eight loyalty counters on it.

Activate Contagion Engine by paying and tapping it, putting two loyalty counters on each planeswalker you control.
Activate Ajani's second loyalty ability by removing two loyalty counters from it, putting a loyalty counter on each other planeswalker you control.
Activate Teferi's third loyalty ability by removing ten loyalty counters from it, causing you to take two extra turns after this one.
Activate Aminatou's second loyalty ability by removing a loyalty counter from it, blinking Teferi.
Activate Teferi's first loyalty ability by putting a loyalty counter on it, causing you to loot.
Move to your first extra turn.
Activate Teferi's first loyalty ability by putting a loyalty counter on it, causing you to loot.
Repeat steps 1 and 2 one additional time.
Move to your second extra turn.
Repeat.

Teferi has at least eight loyalty counters on it.

Activate Contagion Engine by paying and tapping it, putting two loyalty counters on each planeswalker you control.
Activate Contagion Clasp by paying and tapping it, putting a loyalty counter on each planeswalker you control.
Activate Ajani's second loyalty ability by removing two loyalty counters from it, putting a loyalty counter on each other planeswalker you control.
Activate Teferi's third loyalty ability by removing ten loyalty counters from it, causing you to take two extra turns after this one.
Activate Aminatou's second loyalty ability by removing a loyalty counter from it, blinking Teferi.
Activate Teferi's first loyalty ability by putting a loyalty counter on it, causing you to loot.
Move to your first extra turn.
Activate Teferi's first loyalty ability by putting a loyalty counter on it, causing you to loot.
Repeat steps 1 and 2 one additional time.
Move to your second extra turn.
Repeat.

Vorel does not have summoning sickness.
Teferi has at least six loyalty counters on it.
Luxior attached to Teferi.

Activate Vorel by paying and tapping it, doubling the number of loyalty counters on Teferi.
Activate Teferi's third loyalty ability by removing ten loyalty counters from it, causing you to take two extra turns after this one.
Move to your first extra turn.
Activate Teferi's first loyalty ability by putting a loyalty counter on it, causing you to loot.
Activate Vorel by paying and tapping it, doubling the number of loyalty counters on Teferi.
Move to your second extra turn.
Repeat.

Teferi has at least eight loyalty counters on it.

Activate Contagion Engine by paying and tapping it, putting two loyalty counters on each planeswalker you control.
Activate Ajani's second loyalty ability by removing two loyalty counters from it, putting a loyalty counter on each other planeswalker you control.
Activate Teferi's third loyalty ability by removing ten loyalty counters from it, causing you to take two extra turns after this one.
Activate Aminatou's second loyalty ability by removing a loyalty counter from it, blinking Teferi.
Activate Teferi's first loyalty ability by putting a loyalty counter on it, causing you to loot.
Move to your first extra turn.
Activate Teferi's first loyalty ability by putting a loyalty counter on it, causing you to loot.
Repeat steps 1 and 2 one additional time.
Move to your second extra turn.
Repeat.

Vorel does not have summoning sickness.
Teferi has at least six loyalty counters on it.

Activate Liquimetal Torque's second ability by tapping it, causing Teferi to become an artifact until end of turn.
Activate Vorel by paying and tapping it, doubling the number of loyalty counters on Teferi.
Activate Teferi's third loyalty ability by removing ten loyalty counters from it, causing you to take two extra turns after this one.
Move to your first extra turn.
Activate Liquimetal Torque's second ability by tapping it, causing Teferi to become an artifact until end of turn.
Activate Teferi's first loyalty ability by putting a loyalty counter on it, causing you to loot.
Activate Vorel by paying and tapping it, doubling the number of loyalty counters on Teferi.
Move to your second extra turn.
Repeat.

An opponent controls three or more creatures.

Activate Nicol Bolas using Gideon's first loyalty ability by putting a loyalty counter on it, putting a number of loyalty counters on it equal to the number of creatures an opponent controls.
Activate Aminatou's first loyalty ability by putting a loyalty counter on it.
During your next turn, ativate Nicol Bolas using Teferi's third loyalty ability by removing ten loyalty counters from it, causing you to take two extra turns after this one.
Activate Aminatou's second loyalty ability by removing a loyalty counter from it, blinking Nicol Bolas, causing it to re-enter the battlefield with four loyalty counters on it.
Activate Nicol Bolas using Gideon's first loyalty ability by putting a loyalty counter on it, putting a number of loyalty counters on it equal to the number of creatures an opponent controls.
Repeat during your next turn.

This combo requires a turn of setup before getting infinite turns. If you are able to activate Teferi or Nicol Bolas for infinite turns, you may do so to get around this. The number of counters on Nicol Bolas to start can be reduced depending how many creatures an opponent controls.

Vorel does not have summoning sickness.
Teferi has at least six loyalty counters on it.

Activate Vorel by paying and tapping it, doubling the number of loyalty counters on Teferi.
Activate Teferi's third loyalty ability by removing ten loyalty counters from it, causing you to take two extra turns after this one.
Move to your first extra turn.
Activate Teferi's first loyalty ability by putting a loyalty counter on it, causing you to loot.
Activate Vorel by paying and tapping it, doubling the number of loyalty counters on Teferi.
Move to your second extra turn.
Repeat.

Vorel does not have summoning sickness.
Teferi has at least six loyalty counters on it.

Activate Liquimetal Coating by tapping it, causing Teferi to become an artifact until end of turn.
Activate Vorel by paying and tapping it, doubling the number of loyalty counters on Teferi.
Activate Teferi's third loyalty ability by removing ten loyalty counters from it, causing you to take two extra turns after this one.
Move to your first extra turn.
Activate Liquimetal Coating by tapping it, causing Teferi to become an artifact until end of turn.
Activate Teferi's first loyalty ability by putting a loyalty counter on it, causing you to loot.
Activate Vorel by paying and tapping it, doubling the number of loyalty counters on Teferi.
Move to your second extra turn.
Repeat.

Vorel does not have summoning sickness.
Teferi has at least six loyalty counters on it.

Activate Vorel by paying and tapping it, doubling the number of loyalty counters on Teferi.
Activate Teferi's third loyalty ability by removing ten loyalty counters from it, causing you to take two extra turns after this one.
Move to your first extra turn.
Activate Teferi's first loyalty ability by putting a loyalty counter on it, causing you to loot.
Activate Vorel by paying and tapping it, doubling the number of loyalty counters on Teferi.
Move to your second extra turn.
Repeat.

Vorel does not have summoning sickness.
Teferi has at least six loyalty counters on it.

Activate Memnarch's first ability by paying , causing Teferi to become an artifact.
Activate Vorel by paying and tapping it, doubling the number of loyalty counters on Teferi.
Activate Teferi's third loyalty ability by removing ten loyalty counters from it, causing you to take two extra turns after this one.
Move to your first extra turn.
Activate Teferi's first loyalty ability by putting a loyalty counter on it, causing you to loot.
Activate Vorel by paying and tapping it, doubling the number of loyalty counters on Teferi.
Move to your second extra turn.
Repeat from step 2.

You control three creatures that can attack this turn and that cannot be blocked by an opponent.

Activate Nicol Bolas using Dovin's first loyalty ability by putting a loyalty counter on it.
Deal combat damage to an opponent using at least three creatures, triggering Nicol Bolas that many times, putting that many loyalty counters on it.
Activate Aminatou's first loyalty ability by putting a loyalty counter on it.
During your next turn, activate Nicol Bolas using Teferi's third loyalty ability by removing ten loyalty counters from it, causing you to take two extra turns after this one.
Activate Aminatou's second loyalty ability by removing a loyalty counter from it, blinking Nicol Bolas, causing it to re-enter the battlefield with four loyalty counters on it.
Repeat steps 1 and 2 once.
Repeat from step 1 during your next turn.

This combo requires a turn of setup before getting infinite turns. If you are able to activate Teferi or Nicol Bolas for infinite turns, you may do so to get around this. he number of counters on Nicol Bolas to start can be reduced depending how many creatures you control that can deal combat damage to an opponent.

You control three or more creatures.

Activate Nicol Bolas using Huatli's first loyalty ability by putting a loyalty counter on it, putting a number of loyalty counters on it equal to the number of creatures you control.
Activate Aminatou's first loyalty ability by putting a loyalty counter on it.
During your next turn, activate Nicol Bolas using Teferi's third loyalty ability by removing ten loyalty counters from it, causing you to take two extra turns after this one.
Activate Aminatou's second loyalty ability by removing a loyalty counter from it, blinking Nicol Bolas, causing it to re-enter the battlefield with four loyalty counters on it.
Activate Nicol Bolas using Huatli's first loyalty ability by putting a loyalty counter on it, putting a number of loyalty counters on it equal to the number of creatures you control.
Repeat during your next turn.

This combo requires a turn of setup before getting infinite turns. If you are able to activate Teferi or Nicol Bolas for infinite turns, you may do so to get around this. The number of counters on Nicol Bolas to start can be reduced depending how many creatures you control.