Color Identity: U, B

Prerequisites

  1.  All permanents on the battlefield.
  2. Royal Assassin
    Royal Assassin     does not have summoning sickness.

Steps

  1. Whenever a creature enters the battlefield under an opponent's control, it enters tapped due to
    Frozen Aether
    Frozen Aether     and triggers
    Intruder Alarm
    Intruder Alarm    .
  2. Holding priority, activate
    Royal Assassin
    Royal Assassin     by tapping it, destroying the creature.
  3. Resolve the
    Intruder Alarm
    Intruder Alarm     trigger, untapping all creatures.
  4. Repeat.

Results

  1. Destroy all creatures that enter the battlefield under an opponent's control.

Metadata

  1. In 7 decks according to EDHREC.
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