Medomai the Ageless + Identity Thief + Crystal Shard

Medomai the Ageless

Identity Thief

Crystal Shard

How it works

1. Declare Identity Thief as an attacker.
2. Identity Thief triggers, exiling Medomai the Ageless, becoming a copy of it until end of turn and Return Medomai from exile to the battlefield at end of turn.
3. Deal combat damage with Identity Thief, causing you to take an additional turn after this one.
4. Activate Crystal Shard by paying and tapping it, returning Identity Thief from the battlefield to your hand.
5. Cast Identity Thief by paying 2.
6. At the beginning of your end step, Identity Thief triggers, returning Medomai from exile to the battlefield.
7. Pass the turn.
8. Repeat.