Rampaging Growth is a uncommon Instant card from Jumpstart 2022 (J22), collector number 43. Current market price: $0.28, TCGplayer market prices via Scryfall.
Search your library for a basic land card, put it onto the battlefield, then shuffle. Until end of turn, that land becomes a 4/3 Insect creature with reach and haste. It's still a land.