Rampant Rejuvenator is a rare Creature — Plant Hydra card from Final Fantasy Commander (FIC), collector number 314. Current market price: $0.28, TCGplayer market prices via Scryfall.
This creature enters with two +1/+1 counters on it. When this creature dies, search your library for up to X basic land cards, where X is this creature's power, put them onto the battlefield, then shuffle.