Elvish Rejuvenator is a common Creature — Elf Druid card from Modern Horizons 3 Commander (M3C), collector number 226. Current market price: $0.34, TCGplayer market prices via Scryfall.
When this creature enters, look at the top five cards of your library. You may put a land card from among them onto the battlefield tapped. Put the rest on the bottom of your library in a random order.