Knollspine Invocation Tweet Website Exclusive, Light Play, English, 2 In stock $0.65 Website Exclusive, Moderate Play, English, 4 In stock $0.55 Details Color: Red Card Text: X, Discard a card with converted mana cost X Knollspine Invocation deals X damage to target creature or player. Rarity: R Cost: 1RR Card Type: Enchantment Artist: Dave Dorman Name: Knollspine Invocation Finish: Regular Card Number: 99/301 Set Name: Shadowmoor