the front side of Celestial Gatekeeper
the back of a classic MtG card
the front side of Dual Nature
the back of a classic MtG card
the front side of Phyrexian Altar
the back of a classic MtG card

Color Identity: G, W

Initial Card State

  1.  Celestial Gatekeeper in hand.
  2.  Dual Nature and Phyrexian Altar on the battlefield.

Mana Needed

  1. ({3} magic symbol)  ({W} magic symbol)  ({W} magic symbol)   available.

Steps

  1. Cast Celestial Gatekeeper by paying ({3} magic symbol)  ({W} magic symbol)  ({W} magic symbol)  .
  2. Celestial Gatekeeper enters the battlefield, triggering Dual Nature's first ability, creating a token copy of Celestial Gatekeeper.
  3. Activate Phyrexian Altar by sacrificing the nontoken Celestial Gatekeeper, adding ({1} magic symbol)  .
  4. Celestial Gatekeeper dies, triggering itself and Dual Nature's second ability.
  5. In response, activate Phyrexian Altar by sacrificing the Celestial Gatekeeper token, adding ({1} magic symbol)  .
  6. The Celestial Gateekeeper token dies, triggering itself, exiling itself and returning Celestial Gatekeeper from your graveyard to the battlefield.
  7. Celestial Gatekeeper enters the battlefield, triggering Dual Nature's first ability, creating a token copy of Celestial Gatekeeper.
  8. Resolve the nontoken Celestial Gateekeeper's trigger, failing to exile itself and returning up to two more Birds and/or Clerics from your graveyard to the battlefield.
  9. If you returned a creature this way, Dual Nature's first ability triggers, creating a token copy of that creature.
  10. Repeat from step 3.
  11. Resolve all triggers from Dual Nature's second ability, exiling all tokens with the same name as a creature card that left the battlefield during this combo.

Results

  1. Infinite blinking of Bird and Cleric creatures.
  2. Infinite colored mana.
  3. Infinite death triggers.
  4. Infinite ETB.
  5. Infinite LTB.
  6. Infinite sacrifice triggers.

Metadata

  1. In 0 decks according to EDHREC.
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