Mox Opal [Double Masters] Junior Super Series Set: Hour of Devastation Prerelease

Set: Hour of Devastation Prerelease Promos Type: Sorcery Rarity: Rare Cost: {X}{B}{B} Repeat the following process X times

Set: Oversize Cards Rarity: Rare Tap to add mana of any color to your mana pool

Set: Legends Type: Creature — Horror Rarity: Rare Cost: {3}{B}{B}{B} First strike

Set: Commander 2017 Type: Creature — Dragon Rarity: Rare Cost: {3}{W}{W} Flying

Set: Champs and States Type: Land Rarity: Rare {T}: Add {C}

Mox Opal [Double Masters] Junior Super Series Set: Hour of Devastation PrereleaseSet: Double Masters Type: Legendary Artifact Rarity: Mythic Cost: {0} Metalcraft {T}: Add one mana of any color. Activate only if you control three or more artifacts. The suns of Mirrodin have shone upon perfection only once.