Kulrath Zealot is a common Creature — Elemental Warrior card from Lorwyn Eclipsed (ECL), collector number 148. Current market price: $0.13 (foil $0.25), TCGplayer market prices via Scryfall.
When this creature enters, exile the top card of your library. Until the end of your next turn, you may play that card. Basic landcycling {1}{R} ({1}{R}, Discard this card: Search your library for a basic land card, reveal it, put it into your hand, then shuffle.)