Cthulhu, Lord of Madness

Flying, Indestructible, Deathtouch
Each card you own that isn't on the battlefield has madness. The madness cost is equal to its mana cost plus 2 life
If a spell's madness cost was paid put a +1/+1 counter or a loyalty counter on target creature or planeswalker
Discard a card: You may tap or untap target artifact, creature, or land.