The Iron Throne

Indestructible
{t}{5}, Pay 6 life: Gain control of The Iron
Throne. Any player may activate this ability.
This ability can only be activated as a sorcery.
{t}{3}, Draw 3 cards, then exile a card from your
hand and put epic counters on this card equal
to the exiled cards converted mana cost +1. Then,
if this card has 20 or more epic counters on it,
you win the game.