Lightning Greaves [Commander Anthology] Explorer That land is a Swamp

That land is a Swamp for as long as it has a mire counter on it

When Cyclopean Tomb is put into a graveyard from the battlefield

Set: Amonkhet Invocations Type: Instant Rarity: Mythic Cost: {3}{U}{U} You may pay 1 life and exile a blue card from your hand rather than pay this spell's mana cost

{B}: Regenerate Sedge Troll

Lightning Greaves [Commander Anthology] Explorer That land is a SwampSet: Commander Anthology Type: Artifact Equipment Rarity: Uncommon 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.