Vader

{t}: Ask target opponent for a treat. If they say
yes, create a 0/1 Treat token with defender. If
they say no, that opponent gets a poison counter.
{t} {w/b}: Create a 0/1 Treat token with defender.
{4} {w/b}: Vader gets +X/+X, where X is the number
of treats you control.
Vader is an amazing dog. And he really, really
loves treats.