Vigor, Walking Ballista, and The Rollercrusher Ride

Prerequisites

• Vigor on the battlefield
• Walking Ballista on the battlefield
• The Rollercrusher Ride on the battlefield

Steps

1. Activate Walking Ballista's second ability by removing a +1/+1 counter from it, putting two +1/+1 counters on it due to Vigor
2. Activate Walking Ballista's second ability by removing a +1/+1 counter from it, dealing 2 damage to any target
3. Repeat as desired

Results

• Infinite damage
• Infinite +1/+1 counters