Sandstorm Crasher + Combat Celebrant Combo

Sandstorm Crasher and Combat Celebrant on the battlefield.

Sandstorm Crasher does not have summoning sickness.

An opponent cannot block and kill creatures you control.

Declare Combat Celebrant and Sandstorm Crasher as attackers, choosing to exert Sandstorm Crasher and Combat Celebrant as they attack. Combat Celebrant and Sandstorm Crasher each trigger.

Resolve the Sandstorm Crasher trigger, creating a token copy of Combat Celebrant that is tapped and attacking.

Resolve the Combat Celebrant trigger, untapping all other creatures you control and causing you to get an additional combat phase after this one.

Repeat during each combat phase using the Combat Celebrant token instead.

Infinite combat phases

Infinite untap of creatures you control

Infinite mana creatures you control can produce

Infinite creature ETB

Infinite creature tokens