Lightning Greaves [Friday Night Magic 2009] Wall You may cast Gravecrawler from

You may cast Gravecrawler from your graveyard as long as you control a Zombie

put it onto the battlefield

These days

where X is the exiled card's mana value

Players can't pay life or sacrifice creatures to cast spells or activate abilities

Lightning Greaves [Friday Night Magic 2009] Wall You may cast Gravecrawler fromSet: Friday Night Magic 2009 Type: Artifact Equipment Rarity: Rare Cost: {2} Equipped creature has haste and shroud. (It can't be the target of spells or abilities.) Equip {0} After lightning struck the cliffs, the ore became iron, the iron became steel, and the steel became greaves. The lightning never left.