Gluttonous Vermin

At the beginning of your upkeep, choose one —
• Sacrifice Gluttonous Vermin unless you
sacrifice a Food.
• Sacrifice Gluttonous Vermin unless you
sacrifice another creature.
• Sacrifice Gluttonous Vermin unless you
pay 3 life.
Whenever you sacrifice another permanent, put
a +1/+1 counter on Gluttonous Vermin.