Kirby, Devourer of Gods

{t}{2}, Exile target creature you control. Give
Kirby, Devourer of Gods 1 keyword ability from
the creature you exile this way. You may
make Kirby, Devourer of Gods' base power the
same as the creature exiled this way. If Kirby, Devourer of Gods is sent to the graveyard, return
up to half of the creatures exiled this way to their owners hand, and return Kirby, Devourer of
Gods to the battlefield , without any changes
made with this ability.