Royal Assassin + Thalia and The Gitrog Monster + Thornbite Staff

WBG identity

Commander legal

The 3 combo pieces

What must be in place

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

How to execute it

  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.

What the combo produces