Prerequisites
- Bellowing Aegisaur on the battlefield
- Triskelion on the battlefield
- Triskelion has at least one +1/+1 counter
- You have a way to give Bellowing Aegisaur indestructible
Steps
- Give Bellowing Aegisaur indestructible by any method
- Activate Triskelion by removing a +1/+1 counter from it, dealing 1 damage to Bellowing Aegisaur
- Bellowing Aegisaur triggers, putting a +1/+1 counter on each other creature you control
- Repeat from step 2
Results
Required Cards 2
Bellowing Aegisaur
Creature — Dinosaur
Triskelion
Artifact Creature — Construct