Elvish Rejuvenator is a common Creature — Elf Druid card from Outlaws of Thunder Junction Commander (OTC), collector number 191. Current market price: $0.25, 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.