R'lyeh, Tomb of Cthulhu

If this card would be exiled by any effect other
than it's own, it is sent to the graveyard instead.
If you control Cthulhu, The Great Dreamer, you
can play this card from your graveyard

If a Cultist creature you control has 30 or more
Insanity Counters on it, you can sacrifice that
creature, then remove R'lyeh, Tomb of Cthulhu
from the game.