Hollows, the Requiem’s Manor

Hollows, the Requiem’s Manor, enters the battlefield tapped.

{t}: Add {b}, {g}, or {u}.

{t}, Sacrifice a creature: Each opponent discards a card. If a player discarded a creature card this way, create a 2/2 black, green, and blue Zombie or Demon creature token.

"Her song echoes through the streets, each note a step closer to the grave. Those who listen are lost, never to return."
— Orath, the Mana Seeker