Amity, Abomination Artisan

Whenever Amity, Abomination Artisan
attacks, choose target creature you
control, then roll a d20.
1-14 | Create a tapped and attacking token
that’s a copy of that creature, except it’s not
legendary and it has “Exile this creature at
end of combat”
15-20 | Create one of those tokens. You
may roll again