Kirby, Poyo Boyo

{4}{t} Exile target creature, put a copy counter on Kirby, Poyo Boyo and it gets +{x}1/+{x}2, were {x}1 is exiled creatures power and {x}2 is exiled creatures toughness, and abilities of exiled
creature. You can only use this ability if you don't
have a copy counter. If copy counter is removed,
move exiled creature to it's owners graveyard.
{2}{t} as an additional cost, remove a copy counter. Kirby, Poyo Boyo loses the abilities of exiled
creature. Kirby, Poyo Boyo gets -{x}1/-{x}2 and
you draw