when tough cookie enters, create a food token. (it's an artifact with "2, t, sacrifice this artifact: you gain 3 life.")
2g: until end of turn, target noncreature artifact you control becomes a 4/4 artifact creature.
2, t, sacrifice tough cookie: you gain 3 life.
2g: until end of turn, target noncreature artifact you control becomes a 4/4 artifact creature.
2, t, sacrifice tough cookie: you gain 3 life.
