Amorphage Olga
Pendulum Effect During each of your Standby Phases, either Tribute 1 monster or destroy this card. If you control an “Amorphage” monster, neither player can Tribute monsters, except “Amorphage” monsters.
Monster Effect If this card was Pendulum or Flip Summoned, neither player can Special Summon monsters from the Extra Deck, except “Amorphage” Monsters.