Infinite creature LTBInfinite creature ETBInfinite creature tokensInfinite blinking of nonland permanentsInfinite +1/+1 counters on creatures you control
How it works
Cast Yannik either from your hand or from the command zone by paying its mana cost.
When Yannik enters the battlefield, it triggers, exiling Abdel Adrian until Yannik leaves the battlefield.
Abdel Adrian leaves the battlefield, causing Icewind Stalwart to return to the battlefield from exile.
When Icewind Stalwart enters the battlefield, it triggers, blinking Yannik.
Yannik leaves and enters the battlefield, causing Abdel Adrian to return to the battlefield from exile and triggering Abdel Adrian and Yannik.
Resolve the Abdel Adrian trigger, exiling Icewind Stalwart and creating a 1/1 Soldier creature token.
Resolve the Yannik trigger, exiling Abdel Adrian until Yannik leaves the battlefield.