How it works
Prerequisites
- Triskelion has at least one +1/+1 counter.
- You have a way to give Bellowing Aegisaur indestructible.
Steps
- 1Give Bellowing Aegisaur indestructible by any method.
- 2Activate Triskelion by removing a +1/+1 counter from it, dealing 1 damage to Bellowing Aegisaur.
- 3Bellowing Aegisaur triggers, putting a +1/+1 counter on each other creature you control.
- 4Repeat from step 2.
Commander brackets
In which brackets is this combo allowed, per Spellbook's Oddball tier?
Based on Commander Spellbook