Sojourner's Companion is a common Artifact Creature — Salamander card from Modern Horizons 2 (MH2), collector number 235. Current market price: $0.27 (foil $0.37), TCGplayer market prices via Scryfall.
Affinity for artifacts Artifact landcycling {2} ({2}, Discard this card: Search your library for an artifact land card, reveal it, put it into your hand, then shuffle.)