Zur does not have summoning sickness and cannot be blocked and killed by an opponent.

Declare Zur as an attacker.
Zur triggers, causing you to search your library for Stasis and put it onto the battlefield.
During the end step prior to your turn, activate Tel-Jilad Stylus by tapping it, putting Stasis on the bottom of your library from the battlefield.
Repeat.

Your life total is five or less.
An opponent cannot block and kill Zur.

At the beginning of your upkeep, Second Chance triggers.
Holding priority, activate Tel-Jilad Stylus by tapping it, putting Second Chance on the bottom of your library from the battlefield.
Resolve the Second Chance trigger, causing you to take an extra turn after this one.
Declare Zur as an attacker.
Zur triggers, searching your library for Second Chance and putting it onto the battlefield.
Repeat each turn.

Zur does not have summoning sickness and cannot be blocked and killed by an opponent.

Declare Zur as an attacker.
Zur triggers, causing you to search your library for Stasis and put it onto the battlefield.
During the end step prior to your turn, activate Rishadan Pawnshop by paying and tapping it, shuffling Stasis into your library from the battlefield.
Repeat.

Your life total is five or less.
An opponent cannot block and kill Zur.

At the beginning of your upkeep, Second Chance triggers.
Holding priority, activate Rishadan Pawnshop by paying and tapping it, putting Second Chance on the bottom of your library from the battlefield.
Resolve the Second Chance trigger, causing you to take an extra turn after this one.
Declare Zur as an attacker.
Zur triggers, searching your library for Second Chance and putting it onto the battlefield.
Repeat each turn.