"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 card your opponent controls.