Bison Whistle Type: Artifact Mana Cost: {1}{G} Rarity: rare {1}, {T}: Look at the top card of your library. If it's a Bison card, you may put it onto the battlefield. If it's a creature card, you may reveal it and put it into your hand. Otherwise, you may put it into your graveyard. Legal in: duel, brawl, legacy, vintage, historic, timeless, commander, oathbreaker Open Bison Whistle on OffMeta