Great Furnace Tweet NM-Mint, English, 8 In stock $4.34 Light Play, English, 2 In stock $3.91 Details Color: Land Card Text: (Great Furnace isn't a spell.) T Add R to your mana pool. Rarity: C Card Type: Artifact Land Artist: Rob Alexander Name: Great Furnace Finish: Regular Card Number: 282/306 Set Name: Mirrodin