Crystalline Crawler + Pemmin's Aura + Tromell, Seymour's Butler
Mana needed: {1}
GU identity
Commander legal
The 3 combo pieces
What must be in place
You have had three nontoken creatures enter the battlefield under your control this turn.
How to execute it
- Activate Tromell by paying {1} and tapping it, causing you to put at least three +1/+1 counters on Crystalline Crawler
- Activate Crystalline Crawler four times by removing three +1/+1 counters from it, adding {2}{U}.
- Activate Pemmin's Aura by paying {U}, untapping Tromell.
- Repeat.
What the combo produces
- Infinite +1/+1 counters on a creature
- Infinite colored mana
- Infinite proliferate