Shepherding Spirits is a common Creature — Spirit card from Duskmourn: House of Horror (DSK), collector number 31. Current market price: $0.15 (foil $0.18), TCGplayer market prices via Scryfall.
Flying Plainscycling {2} ({2}, Discard this card: Search your library for a Plains card, reveal it, put it into your hand, then shuffle.)