After lightning struck the cliffs, the ore became iron, the iron became steel, and the steel became greaves. The lightning never left.

The List

Lightning Greaves

Equipped creature has haste and shroud. (It can't be the target of spells or abilities.)
Equip {0}

When you spend most of your time running for your life, it pays to invest in quality footwear.

Duskmourn: House of Horror Commander

Mystery Booster 2

Equipped creature has haste and shroud.
Equip {0}

"I love these boots so much, I'm never taking them off."

Secret Lair Drop

Modern Horizons 3 Commander

Outlaws of Thunder Junction Commander

No matter how big the fall is, you're safe as long as you land with both feet.

Fallout

There are as many ways to travel the galaxy as there are stars in the sky.

"Skim all the gold and magic rocks you want, but if I see one greasy fingerprint on my new boots, you'll be drinking bilgewater for a month."
—Note from Captain Lannery Storm

The Lost Caverns of Ixalan Commander

"Run. Run, you clever boy. And remember."
—Clara Oswald

Doctor Who

Commander Masters

"The strongest must seek a way, say you? But I say: let a plowman plow, but choose an otter for swimming, and choose an Elf for running light over grass and leaf."
—Legolas

Tales of Middle-earth Commander

Starter Commander Decks

Commander Legends: Battle for Baldur's Gate

New Capenna Commander

Forgotten Realms Commander

Magic Online Promos

The boots demonstrated many strange magical properties, but the most remarkable was their ability to withstand Westley's ferocious chewing.

Double Masters

Commander 2020

Commander 2019

Commander Anthology Volume II

Commander 2017

Commander Anthology

Commander 2016

This matched set incorporates aetheric accelerators and deflection matrices in an elegant, wearable design.

Kaladesh Inventions

Legendary Cube Prize Pack

Commander 2015

Commander 2011

Magic Online Theme Decks

Archenemy

Equipped creature has shroud and haste.
Equip {0}

Duel Decks: Phyrexia vs. the Coalition

Friday Night Magic 2009

Salvat 2005

Mirrodin

Equipped creature has haste and can't be the target of spells or abilities.
Equip {0} ({0}: Attach to target creature you control. Equip only as a sorcery. This card comes into play unattached and stays in play if the creature leaves play.)