Ulasht, the Hate Seed + Cathars' Crusade + Crystalline Crawler
Ulasht, the Hate Seed
Cathars' Crusade
Crystalline Crawler
Requires
Ulasht, the Hate Seed must be on the battlefield.
Cathars' Crusade must be on the battlefield.
Crystalline Crawler must be on the battlefield.
Ulasht has at least two +1/+1 counters on it.
Mana needed: 
Steps
- Activate Ulasht by paying and removing a +1/+1 counter from it, creating a 1/1 Saproling creature token.
- The Saproling enters the battlefield, triggering Cathars' Crusade, putting a +1/+1 counter on each creature you control.
- Activate Crystalline Crawler's first ability by removing a +1/+1 counter from it, adding .
- Repeat.
Results
Infinite creature tokens. Infinite ETB. Infinite +1/+1 counters.
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