the front side of Intruder Alarm
the back of a classic MtG card
the front side of Skirsdag High Priest
the back of a classic MtG card

Color Identity: U, B

Initial Card State

  1.  Intruder Alarm and Skirsdag High Priest on the battlefield.

Notable Prerequisites

  1. Skirsdag High Priest does not have summoning sickness.
  2. You control at least two other untapped creatures.
  3. A creature has died this turn.

Steps

  1. Activate Skirsdag High Priest by tapping it and two other creatures you control, creating a 5/5 Demon creature token.
  2. The Demon enters the battlefield, triggering Intruder Alarm, untapping all creatures.
  3. Repeat.

Results

  1. Infinite creature tokens.
  2. Infinite ETB.
  3. Infinite mana creatures you control can produce.
  4. Infinite untap of all creatures.

Metadata

  1. In 79 decks according to EDHREC.
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