Frozen Aether + Royal Assassin + Thornbite Staff

UB identity

Commander legal

The 3 combo pieces

• Frozen Aether
• Royal Assassin
• Thornbite Staff

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 Frozen Aether.
2. Holding priority, activate Royal Assassin by tapping it, destroying the creature.
3. The creature dies, triggering Royal Assassin, untapping Royal Assassin.
4. Repeat.

What the combo produces

• Destroy each creature that enters the battlefield under an opponent's control
• Lock