Medomai the Ageless, Paleontologist's Pick-Axe // Dinosaur Headdress, and Auriok Windwalker

Prerequisites

• Medomai the Ageless in exile
• Paleontologist's Pick-Axe // Dinosaur Headdress on the battlefield
• Auriok Windwalker on the battlefield
• undefined each turn available

Steps

1. Declare any other creature as an attacker
2. Holding priority, activate Auriok Windwalker by tapping it, attaching Dinosaur Headdress to the attacking creature, and causing the creature to become a copy of Medomai the Ageless
3. Deal combat damage using the creature
4. The creature 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 Auriok Windwalker
7. Repeat each turn

Results

• Infinite turns