the front side of Thalia and The Gitrog Monster
the back of a classic MtG card
the front side of Royal Assassin
the back of a classic MtG card
the front side of Thornbite Staff
the back of a classic MtG card

Color Identity: W, B, G

Initial Card State

  1.  All permanents on the battlefield.

Notable Prerequisites

  1. Royal Assassin does not have summoning sickness.
  2. Thornbite Staff attached to Royal Assassin.

Steps

  1. Whenever a creature enters the battlefield under an opponent's control, it enters tapped due to Thalia and the Gitrog Monster.
  2. Holding priority, activate Royal Assassin by tapping it, destroying the creature.
  3. When the creature dies, Royal Assassin triggers, untapping Royal Assassin.
  4. Repeat.

Results

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

Metadata

  1. In 30 decks according to EDHREC.
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