Macbeth, the Mad King

Double strike, trample, haste, menace
Macbeth, the Mad King enters with fourteen sanity counters on him.
All cards have madness, its madness cost is equal to its converted mana cost.
Whenever a player plays a card for its madness cost remove a number of sanity counters from Macbeth equal to the cost.
When there are no sanity counters on Macbeth you lose the game.
Madness {b/r}{b/r}