Ur-Dragon Incarnate

Shroud, Indestructible, Trample, Annihilator 2
{x}{w}{u}{b}{r}{g}, Search the top {x} of your library. Place any number of permanents with converted mana costs less than or equal to the total power of dragons you control onto the battlefield. Exile the rest.
You may cast cards from exile.
"Reality itself coalesced to form its archaic god, manifested to do one thing: consume."