Pir, Imaginative Rascal + Tainted Observer + Animation Module + 2 more
Infinite +1/+1 counters on a creature, Infinite colored mana, Infinite creature tokens, Infinite ETB, Infinite proliferate
Put a +1/+1 counter on a creature you control.
Animation Module triggers, causing you to pay to create a 1/1 Servo artifact creature token.
The Servo enters the battlefield, triggering Tainted Observer, causing you to pay to put four +1/+1 counters on Crystalline Crawler.
Animation Module triggers four times.
Resolve the first three Animation Module triggers, choosing not to pay.
Activate Crystalline Crawler's first ability three times by removing three +1/+1 counters from it, adding
Component Cards
How It Works
Put a +1/+1 counter on a creature you control.
Animation Module triggers, causing you to pay to create a 1/1 Servo artifact creature token.
The Servo enters the battlefield, triggering Tainted Observer, causing you to pay to put four +1/+1 counters on Crystalline Crawler.
Animation Module triggers four times.
Resolve the first three Animation Module triggers, choosing not to pay.
Activate Crystalline Crawler's first ability three times by removing three +1/+1 counters from it, adding .
Resolve the final Animation Module trigger, causing you to pay to create a 1/1 Servo artifact creature token.
Repeat from step 3.