the front side of Crystalline Crawler
the back of a classic MtG card
the front side of Saving Grace
the back of a classic MtG card
the front side of Vigor
the back of a classic MtG card
the front side of Warmonger
the back of a classic MtG card

Color Identity: R, G, W

Initial Card State

  1.  Saving Grace and Warmonger in hand.
  2.  Crystalline Crawler and Vigor on the battlefield.

Mana Needed

  1. six generic manaone red manaone white mana available.

Steps

  1. Cast Saving Grace by paying one generic manaone white mana.
  2. Saving Grace enters the battlefield attached to Crystalline Crawler, triggering itself, causing all damage that would be dealt to you or permanents you control this turn to be dealt to Crystalline Crawler instead.
  3. Cast Warmonger by paying three generic manaone red mana.
  4. Activate Warmonger by paying two generic mana, dealing 1 damage to each creature without flying and each player.
  5. Saving Grace's ability redirects damage to Crystalline Crawler, which results in at least four +1/+1 counters being placed on it instead due to Vigor.
  6. Activate Crystalline Crawler's first activated ability at least twice by removing at least two +1/+1 counters from it, adding at least two generic mana.
  7. Repeat from step 4.

Results

  1. Infinite +1/+1 counters on a creature.
  2. Infinite colored mana.
  3. Infinite damage.
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