Medomai the Ageless, Paleontologist's Pick-Axe // Dinosaur Headdress, and Balan, Wandering Knight

Prerequisites

• Medomai the Ageless in exile
• Paleontologist's Pick-Axe // Dinosaur Headdress on the battlefield
• Balan, Wandering Knight on the battlefield
• You control at least one additional creature
• Balan does not have summoning sickness and cannot be blocked by an opponent
• Paleontologist's Pick-Axe on the battlefield as Dinosaur Headdress
• Medomai the Ageless exiled by Dinosaur Headdress
• each turn available

Steps

1. Declare Balan as an attacker
2. Holding priority, activate Balan by paying , attaching Dinosaur Headdress to it and causing Balan to become a copy of Medomai the Ageless
3. Deal combat damage using Balan
4. Balan triggers, causing you to take an extra turn after this one
5. Move to your postcombat main phase
6. Activate Dinosaur Headdress' equip ability by paying , attaching it to any other creature you control
7. Repeat each turn

Results

• Infinite turns