the front side of Cathars' Crusade
the back of a classic MtG card
the front side of Animation Module
the back of a classic MtG card
the front side of Crystalline Crawler
the back of a classic MtG card

Color Identity: W

Initial Card State

  1.  All permanents on the battlefield.

Notable Prerequisites

  1. Crystalline Crawler does not have summoning sickness.

Steps

  1. Activate Crystalline Crawler's second ability by tapping it, putting a +1/+1 counter on itself.
  2. Animation Module triggers, holding priority, activate Crystalline Crawler's first ability by removing a +1/+1 counter from it, adding ({1} magic symbol)  .
  3. Resolve the Animation Module trigger, causing you to pay ({1} magic symbol)   to create a 1/1 Servo artifact creature token.
  4. The Servo enters the battlefield, triggering Cathars' Crusade, putting a +1/+1 counter on each creature you control.
  5. Animation Module triggers once for each creature you control.
  6. Resolve all but one Animation Module trigger, choosing not to pay.
  7. Activate Crystalline Crawler's first ability by removing a +1/+1 counter from it, adding ({1} magic symbol)  .
  8. Repeat from step 3.

Results

  1. Infinite creature tokens.
  2. Infinite ETB.
  3. Infinite +1/+1 counters.

Metadata

  1. In 224 decks according to EDHREC.
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