Combat Celebrant [Amonkhet Prerelease Promos] Dragon Set: Onslaught Type: Land Rarity:

Set: Onslaught Type: Land Rarity: Uncommon {T}: Add {C}

but now that he is one of them

" —*Troilus and Cressida*

Splice onto Arcane {2}{B} (As you cast an Arcane spell

They only specify the consequences should you fail

Combat Celebrant [Amonkhet Prerelease Promos] Dragon Set: Onslaught Type: Land Rarity:Set: Amonkhet Prerelease Promos Type: Creature Human Warrior Rarity: Mythic Cost: {2}{R} 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.)