Giant Opportunity is a uncommon Sorcery card from Foundations Jumpstart (J25), collector number 663. Current market price: $0.32, TCGplayer market prices via Scryfall.
You may sacrifice two Foods. If you do, create a 7/7 green Giant creature token. Otherwise, create three Food tokens. (They're artifacts with "{2}, {T}, Sacrifice this token: You gain 3 life.")