Vlasketh, Unholy Scientist

{5}{p/u}{p/b}: Exile a creature you control or is in your graveyard. Target creature gains +X/+Z, where X is the exiled creature's power and Z is the exiled creature's toughness. The target also gains all traits and abilities of the exiled creature. The target creature retains its own subtypes, but adopts the exiled creatures in addition.