Prerequisites
- All permanents on the battlefield
- Walking Ballista has at least two +1/+1 counters on it
- It is your turn
Steps
- Activate Walking Ballista's second ability by removing a +1/+1 counter from it, dealing one damage to any target and causing you to gain 1 life
- Archangel of Thune triggers, putting a +1/+1 counter on each creature you control
- Repeat
Results
- Infinite damage
- Infinite +1/+1 counters on all creatures you control except Walking Ballista
- Infinite lifegain
- Infinite lifegain triggers
Required Cards 3
Archangel of Thune
Creature — Angel
Walking Ballista
Artifact Creature — Construct
Sorin, Vengeful Bloodlord
Legendary Planeswalker — Sorin