Medomai the Ageless, Assimilation Aegis, and Auriok Windwalker

Prerequisites

• Medomai the Ageless in exile
• Assimilation Aegis on the battlefield
• Auriok Windwalker on the battlefield
• Auriok Windwalker does not have summoning sickness
• You control at least two additional creatures, one of which does not have summoning sickness and cannot be blocked by an opponent
• each extra turn available

Steps

1. Declare a creature you control that cannot be blocked by an opponent as an attacker
2. Holding priority, activate Auriok Windwalker by tapping it, attaching Assimilation Aegis to the attacking creature
3. Assimilation Aegis' second ability triggers, causing the creature to become a copy of Medomai the Ageless
4. Deal combat damage with the creature
5. The creature triggers, causing you to take an extra turn after this one
6. Move to your next turn
7. Activate Assimilation Aegis' equip ability by paying , attaching it to any other creature you control except Auriok Windwalker
8. Assimilation Aegis' second ability triggers, causing the creature to become a copy of Medomai the Ageless
9. Repeat

Results

• Infinite turns