Bruce Banner // The Incredible Hulk, and Viridian Longbow

Prerequisites

• Bruce Banner // The Incredible Hulk on the battlefield
• Viridian Longbow on the battlefield

Steps

1. Declare The Incredible Hulk as an attacker
2. Holding priority, activate The Incredible Hulk by tapping it, dealing 1 damage to it
3. The Incredible Hulk triggers, putting a +1/+1 counter on it, untapping it and giving you an additional combat phase after this one
4. Repeat each combat phase

Results

• Infinite combat phases
• Infinite +1/+1 counters on a creature