Auction Yard

{t}: Add {c}.
{4}, {t}, Sacrifice this land: Starting with the next opponent in turn order, each player chooses a creature from a graveyard. Exile those cards. You
may cast spells from among those cards for as long
as they remain exiled, and mana of any type can be spent to cast them.

"Can't you hurry?! We need to go find a spot!..."
—Moony