Umaril, The Unfreathered

{x}: destroy x creatures, where x is the mana cost
of this ability. Umaril, the Unfeathered becomes
a x/x Creature with hexproof, indestructible,
deathtouch, doublestrike and trample undil
end of turn. Its still a land.
{t}: add {w/b}{w/b} to your mana pool.