Koh, the Face Stealer + Port Razer

Prerequisites

• An opponent cannot block Koh.
• Your life total is 2 or higher.

Steps

1. 1Activate Koh by paying 1 life, causing it to gain Port Razer's triggered and activated abilities.
2. 2Deal combat damage using Koh, triggering Koh, causing you to untap all creatures you control and to get an additional combat phase after this one.
3. 3Repeat step 2 each combat phase.

Effects

• Infinite combat damage
• Infinite combat phases
• Infinite mana creatures you control can produce
• Infinite untap of creatures you control