the front side of The Thirteenth Doctor
the back of a classic MtG card
the front side of Crystalline Crawler
the back of a classic MtG card
the front side of Gravecrawler
the back of a classic MtG card
the front side of Ashnod's Altar
the back of a classic MtG card

Color Identity: B, G, U

Initial Card State

  1.  All permanents on the battlefield.

Notable Prerequisites

  1. You control at least one additional Zombie.

Mana Needed

  1. one black mana available.

Steps

  1. Activate Ashnod's Altar by sacrificing Gravecrawler, adding one colorless manaone colorless mana.
  2. Cast Gravecrawler from your graveyard by paying one black mana.
  3. The Thirteenth Doctor's first ability triggers, putting a +1/+1 counter on Crystalline Crawler.
  4. Activate Crystalline Crawler's first ability by removing a +1/+1 counter from it, adding one black mana.
  5. Repeat.

Results

  1. Infinite colorless mana.
  2. Infinite death triggers.
  3. Infinite creature ETB.
  4. Infinite creature LTB.
  5. Infinite creature sacrifice triggers.
  6. Infinite storm count.
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