the front side of Intruder Alarm
the back of a classic MtG card
the front side of Shrieking Drake
the back of a classic MtG card

Color Identity: U

Initial Card State

  1.  Shrieking Drake in hand.
  2.  Intruder Alarm on the battlefield.

Notable Prerequisites

  1. Creatures you control can tap to produce at least ({U} magic symbol)  .

Steps

  1. Activate all mana-producing creatures you control by tapping them, adding at least ({U} magic symbol)  .
  2. Cast Shrieking Drake by paying ({U} magic symbol)  .
  3. Shrieking Drake enters the battlefield, triggering Intruder Alarm and Shrieking Drake.
  4. Resolve the Intruder Alarm's trigger, untapping all creatures you control.
  5. Resolve the Shrieking Drake's trigger, returning it to your hand.
  6. Repeat.

Results

  1. Infinite ETB.
  2. Infinite LTB.
  3. Infinite mana creatures you control can produce.
  4. Infinite storm count.
  5. Infinite untap of all creatures.

Metadata

  1. In 5009 decks according to EDHREC.
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