Samurai Sloth

{4} Exile a creature card from your hand: Samurai
Sloth's power becomes equal to the power of the
card that was exiled this way until the end of
turn. If a creature was put into exile this way
you may pay {x}: Until end of turn Samurai Sloth
gains all abilities of the creature where {x} is
the cards converted mana cost.
He was just sitting there like a sloth does and then out of nowhere... carnage