Swiftfoot Boots (Retro) [The Brothers' War Commander] Elf you may spend mana as

you may spend mana as though it were mana of any color to cast it

Set: Eldritch Moon Prerelease Promos Type: Sorcery Rarity: Rare Cost: {2}{U} You may reveal an Eldrazi card you own from outside the game or choose a face-up Eldrazi card you own in exile

Set: From the Vault: Relics Type: Legendary Artifact Rarity: Mythic Cost: {5} Whenever you cast an instant or sorcery spell

Outlaw - Kill the Sheriff

Flashback {4}{R} (You may cast this card from your graveyard for its flashback cost

Swiftfoot Boots (Retro) [The Brothers' War Commander] Elf you may spend mana asSet: The Brothers' War Commander Type: Artifact Equipment Rarity: Uncommon Cost: {2} Equipped creature has hexproof and haste. (It can't be the target of spells or abilities your opponents control.) Equip {1} "There is great wisdom in rushing headlong into combat . . . if you're prepared." Kenjek, captain of the Thousand Swords