Embrace of Cthulhu

Eldritch Madness - During the next endstep, any opponents creatures that engage in combat
against you receive an Insanity Counter.
(Insanity Counters give afflicted -1/-1)
{4} Eldritch Departure - Return Embrace of
Cthulhu to the bottom of your deck. Each
creature with an Insanity Counter is dealt {x} damage, where {x} is twice the amount
of insanity counters on that creature.