Mutt, Kobold Outcast

When Mutt, Kobold Outcast enters the
battlefield you may look at the top three cards of
your library you may put any number of creatures
you find there and put them into your hand.
Whenever a creature you control dies, if that
creature's power or toughness was greater than
Mutt, Kobold Outcast, Exile him and
return him to the battlefield transformed, under
his owner's control.