Neopolitan

Flash
If Neopolitan didn't enter the battlefield from
exile, you may have it enter the battlefield as a
copy of target creature, except its name is still Neopolitan, it's legendary in addition to its other types, and its toughness becomes 1, It gains the ability "When Neopolitan would die, instead exile it,
then return it to the battlefield under your control."
{u}{u}{b}{b}{t}: Target artifact or enchantment you
control becomes a copy of another target artifact
or enchantment.