Howling Mine [Alpha Edition] Battle Royale that player adds one mana

that player adds one mana of any type that land produced

Set: Alpha Edition Type: Basic Land — Mountain Rarity: Common ({T}: Add {R}

Set: Beta Edition Type: Creature — Wurm Rarity: Common Cost: {4}{G}{G} The most terrifying thing about the Craw Wurm is probably the horrible crashing sound it makes as it speeds through the forest

Set: Magic 2015 Type: Instant Rarity: Rare Cost: {3}{U}{U} For each attacking creature

Howling Mine [Alpha Edition] Battle Royale that player adds one manaSet: Alpha Edition Type: Artifact Rarity: Rare Cost: {2} At the beginning of each player's draw step, if Howling Mine is untapped, that player draws an additional card.