Strength of Will, Triskelion, and Conclave Mentor

Prerequisites

• Strength of Will in hand
• Triskelion on the battlefield
• Conclave Mentor on the battlefield
• available

Steps

1. Cast Strength of Will by paying , targeting Triskelion
2. Activate Triskelion by removing a +1/+1 counter from it, dealing 1 damage to it
3. Triskelion triggers, putting two +1/+1 counters on it due to Conclave Mentor
4. Activate Triskelion by removing a +1/+1 counter from it, dealing 1 damage to any target
5. Repeat from step 2

Results

• Infinite damage
• Infinite +1/+1 counters on a creature