Lightning Greaves [Secret Lair: Heads I Win, Tails You Lose] Magic 2015 Promos there you will find aid

there you will find aid and comfort

Set: Hour of Devastation Type: Legendary Creature — Demon Rarity: Mythic Cost: {5}{B}{B}{B} Flying

Set: Commander 2019 Type: Sorcery Rarity: Rare Cost: {7}{B}{B} Destroy all creatures you don't control and all planeswalkers you don't control

Spend this mana only to cast creature spells or activate abilities of creatures

if Tome of Torment is in your banished zone

Lightning Greaves [Secret Lair: Heads I Win, Tails You Lose] Magic 2015 Promos there you will find aidSet: Secret Lair: Heads I Win, Tails You Lose 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.