Mox Opal [Double Masters] Theros Beyond Death Prerelease Promos at the start of your

at the start of your Battle Phase: You can detach 1 Xyz Material from this card

Set: Portal Three Kingdoms Type: Sorcery Rarity: Rare Cost: {X}{G}{G} Borrowing the East Wind deals X damage to each creature with horsemanship and each player

"Yawgmoth is dead

{T}: Tap target creature

Set: Alpha Edition Type: Artifact Rarity: Uncommon Cost: {1} Whenever a creature dies

Mox Opal [Double Masters] Theros Beyond Death Prerelease Promos at the start of yourSet: 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.