Hum of the Radix Tweet Heavily Played, English, 1 In stock CAD$ 0.41 Details Color: Green Card Text: Each artifact spell costs 1 more to play for each artifact its controller controls. Rarity: R Cost: 2GG Card Type: Enchantment Artist: John Avon Name: Hum of the Radix Finish: Regular Card Number: 122/306 Set Name: Mirrodin