Cthulhu, Sleeping God

Unfathomable (Cthulhu, Sleeping God, can't attack,
block, be targeted or effected by spells or abilities, and
has unknowable power and toughness.)
Spells your opponents cast cost {1} more to cast.
Creatures your opponents control have insanity.
(When a creature with insanity deals combat damage,
put a -1/-1 counter on it.)
At the beginning of each upkeep, each player loses
2 life and discards a card.