Walking Ballista, and Sunbond

Prerequisites

• Walking Ballista on the battlefield
• Sunbond on the battlefield
• Sunbond attached to Walking Ballista
• Walking Ballista has at least two +1/+1 counters on it
• You have a way to give Walking Ballista lifelink

Steps

1. Give Walking Ballista lifelink
2. Activate Walking Ballista's second ability by removing a +1/+1 counter from it, dealing 1 damage to any target and causing you to gain 1 life
3. Walking Ballista triggers, putting a +1/+1 counter on itself
4. Repeat from step 2

Results

• Infinite damage
• Infinite lifegain
• Infinite lifegain triggers