Combat Celebrant (MR) – Foundations Jumpstart – Wizards of the Coast from Wizards of the Coast

Description

Combat Celebrant
Creature — Human Warrior
If Combat Celebrant hasn’t been exerted this turn, you may exert it as it attacks. When you do, untap all other creatures you control and after this phase, there is an additional combat phase. (An exerted creature won’t untap during your next untap step.)