Underground Mortuary: Murders at Karlov Manor Acabado:Normal [−12]: Exile all cards from

[−12]: Exile all cards from target player's library

Whenever a spell or ability an opponent controls causes a land to be put into your graveyard from the battlefield

Players skip their untap steps

reveal Infernal Spawn of Infernal Spawn of Evil from your library and say "I'm coming

Prime Speaker Zegana enters the battlefield with X +1/+1 counters on it

Underground Mortuary: Murders at Karlov Manor Acabado:Normal [−12]: Exile all cards from({T}: Add {B} or {G}.) Underground Mortuary enters the battlefield tapped. When Underground Mortuary enters the battlefield, surveil 1. (Look at the top card of your library. You may put it into your graveyard.)