Lucky the Pizza Dog (#726)

Type: Legendary Creature — Dog

Text: Whenever you cast a Cat, Dog, or Hero spell, create a Food token. (It's an artifact with "{2}, {T}, Sacrifice this token: You gain 3 life.")
At the beginning of each end step, if you gained life this turn, put a +1/+1 counter on Lucky.

"Who's a good boy?" —Hawkeye, Clint Barton

Set: Marvel Super Heroes Commander (#726)