Hungering Void

Oblivion.
Place a mark of Oblivion on all non-land permanents granting them Oblivion.
(Whenever a instant or sorcery spell with
Oblivion successfully resolves or a permanent
with Oblivion leaves the battlefield, search your hand, library, graveyard, and battlefield for all copies of that spell and exile them. They can not
be cast from exile.)