the front side of Marneus Calgar
the back of a classic MtG card
the front side of The Watcher in the Water
the back of a classic MtG card

Color Identity: W, U, B

Initial Card State

  1.  Marneus Calgar and The Watcher in the Water on the battlefield.

Notable Prerequisites

  1. You have a way to draw a card during an opponent's turn.
  2. You have a way to interrupt the loop after drawing your library.

Steps

  1. Draw a card during an opponent's turn by triggering Marneus Calgar using his activated ability, or by any other method.
  2. The Watcher in the Water triggers, creating a 1/1 Tentacle creature token.
  3. When the Tentacle enters the battlefield, Marneus Calgar triggers, causing you to draw a card.
  4. Repeat from step 2.
  5. After drawing any number of cards, interrupt the mandatory infinite loop by winning the game or removing a combo piece in response to a trigger.

Results

  1. Infinite card draw.
  2. Infinite draw triggers.
  3. Near-infinite creature tokens.
  4. Near-infinite ETB.

Metadata

  1. In 468 decks according to EDHREC.
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