Cursed King

Indestructible
While there are other Legendary Creatures controlled by players, Cursed King is not a
creature.
Cursed King's toughness is equal to the amount of other Legendary Creatures.
{p/c}{p/c}{t}: Sacrifice a nonland permanent you
control. You may play cards from Graveyards with
a combined mana cost equal to the mana cost of
the sacrificed permanent.