Unwilling Ingredient

Creature — Frog1/1$0.13

Menace (This creature can't be blocked except by two or more creatures.) , Exile this card from your graveyard: You draw a card and you lose 1 life.

Legal in Commander

Is

Commanders whose abilities work with this card and share its colors, from what the cards do.

Tatsunari, Toad RiderUnwilling Ingredient is a Frog, which Tatsunari, Toad Rider can use.