Cthulhu, Great Old One

Delve, Flying, Islandwalk

Cthulhu, Great Old One's power and toughness are equal to the number of cards you own in exile.

Each non-land card you own that is not on the battlefield has madness. Its madness cost is equal to its mana cost reduced by {2}.

At the beginning of your upkeep you get a despair counter, then exile X permanents you control, where X is the number of despair counters you have.