Combat Celebrant + Splinter Twin

Prerequisites

• Splinter Twin attached to Combat Celebrant.
• Combat Celebrant does not have summoning sickness.

Steps

1. 1Activate Combat Celebrant by tapping it, making a token copy of itself with haste.
2. 2Proceed to your combat step.
3. 3Declare the Combat Celebrant copy as an attacker, choosing to exert it as it attacks.
4. 4The Combat Celebrant copy triggers, untapping all other creatures you control and causing you to get an additional combat phase after this one.
5. 5Repeat.

Effects

• Infinite combat phases
• Infinite creature tokens with haste
• Infinite ETB