Sanctum Plowbeast is a common Artifact Creature — Beast card from Alara Reborn (ARB), collector number 10. Current market price: $0.29 (foil $0.44), TCGplayer market prices via Scryfall.
Defender Plainscycling {2}, islandcycling {2} ({2}, Discard this card: Search your library for a Plains or Island card, reveal it, put it into your hand, then shuffle.)