Appa, Steadfast Guardian + Helm of Awakening + Pearl Medallion + Felidar Guardian

Appa, Steadfast Guardian

Helm of Awakening

Pearl Medallion

Felidar Guardian

How it works

1. Cast Appa either from your hand or from the command zone by paying plus commander tax, if applicable.
2. When Appa enters, its first ability triggers, exiling Felidar Guardian with the ability to cast it later from exile.
3. Cast Felidar Guardian from exile by paying 0.
4. Appa's second ability triggers, creating a 1/1 Ally creature token
5. When Felidar Guardian enters, it triggers, blinking Appa.
6. Repeat from step 2.