Nakarkos

{t}{b}{b}{x}:Choose a creature from a graveyard, X
is the converted mana cost of that creature. Put
that creature under Nakarkos, as long as that card
is under Nakarkos add that creature's power and toughness to Nakarkos's and Nakarkos is that
creature's color in addition to its other colors. If Nakarkos leaves the field return all cards
underneath to their owner's graveyards.
{t}{8}:Target apponet sacrifices three permanents.