Cosmic Fortress Gol'Gar (UTR) (CRMS-EN044) [Crimson Crisis] XY77 you must Tribute this card

you must Tribute this card

During your End Phase destroy all other monsters you control that did not declare an attack this turn

you can roll a six-sided die

{9}: Untap Colossus of Sardia

Cosmic Fortress Gol'Gar (UTR) (CRMS-EN044) [Crimson Crisis] XY77 you must Tribute this cardSet: Crimson Crisis Card type: Synchro Effect Monster Rarity: Ultimate Rare Attack: 2600 Defense: 1800 "Alien Ammonite" + 1 or more non Tuner "Alien" monsters Once per turn, you can select any number of face up Spell and Trap Cards. Return those cards to their owners' hands, and distribute new A Counters among monsters on the field equal to the munber of cards returned. Once per turn, you can remove 2 A Counters from anywhere on the field to destroy 1