Birdie, Gluttonous Goon

Whenever Birdie, Gluttonous Goon attacks, you
may sacrifice a non-human permanent. If you do,
Birdie gains menace until end of turn.
Whenever you sacrifice a non-human permanent,
choose one:
-Birdie, Gluttonous Goon gains +1/+1 until end
of turn.
-Tap target creature target opponent controls.
"You need to eat if you want to be powerful!"