Combat Celebrant [Amonkhet Prerelease Promos] Dragon but now that he is

but now that he is one of them

Set: Unlimited Edition Type: Enchantment Rarity: Rare Cost: {3}{R} Whenever a player taps a land for mana

They only specify the consequences should you fail

"The warm rain of grease on my face immediately made it clear I had entered Phyrexia

Exile the top six cards of your library

Combat Celebrant [Amonkhet Prerelease Promos] Dragon but now that he isSet: 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.)