Owlbear Cub + Medomai the Ageless + Hua Tuo, Honored Physician + Altar of Dementia

Prerequisites

• Owlbear Cub and Hua Tuo do not have summoning sickness.
• An opponent controls at least eight lands and is unable to block and kill your creatures.

Steps

1. 1Activate Hua Tuo by tapping it, putting Medomai on top of your library from your graveyard.
2. 2Move to your combat phase, and declare Owlbear Cub as an attacker, attacking the opponent with eight or more lands.
3. 3Owlbear Cub triggers, causing you to look at the top eight cards of your library, put Medomai onto the battlefield tapped and attacking, and put the remaining cards on the bottom of your library.
4. 4Deal combat damage with Owlbear Cub and Medomai.
5. 5Medomai triggers, causing you to take an extra turn after this one.
6. 6Activate Altar of Dementia by sacrificing Medomai, causing target player to mill cards equal to Medomai's power.
7. 7Repeat each turn.

Effects

• Infinite turns
• Lock