Yannik, Scavenging Sentinel + Glorious Protector + Felidar Guardian

Yannik, Scavenging Sentinel

Glorious Protector

Felidar Guardian

How it works

1. Cast Yannik by paying 2 plus commander tax, if applicable.
2. Yannik enters the battlefield, triggering itself, exiling Felidar Guardian until Yannik leaves the battlefield and triggering the last part of its ability.
3. Resolve this trigger, putting a +1/+1 counter on any target creature.
4. Cast Glorious Protector by paying 2.
5. Glorious Protector enters the battlefield, triggering itself, exiling Yannik and any number of other non-Angel creatures you control until Glorious Protector leaves the battlefield.
6. Felidar Guardian returns from exile to the battlefield due to Yannik leaving the battlefield, triggering itself, blinking Glorious Protector.
7. Yannik returns from exile to the battlefield without using the stack due to Glorious Protector leaving the battlefield.
8. When Yannik and Glorious Protector enter the battlefield, they each trigger themselves.
9. Resolve Yannik's trigger, exiling Felidar Guardian until Yannik leaves the battlefield and triggering the last part of its ability.
10. Resolve this trigger, putting a +1/+1 counter on any target creature.
11. Resolve the Glorious Protector trigger, exiling Yannik until Glorious Protector leaves the battlefield.
12. Repeat from step 6.