Mox Amber (Retro Schematic) (Serialized) [The Brothers' War Retro Artifacts] Aura where X is its mana

where X is its mana value

detach all Xyz Materials from monsters your opponent controls

Set: Sword & Shield: Darkness Ablaze Sealed Release Date: 2020-08-14 A Brilliant Flame on the Darkest Day

select and destroy 1 face-up monster on the field with an original ATK that is less than the ATK of this card

Mox Amber (Retro Schematic) (Serialized) [The Brothers' War Retro Artifacts] Aura where X is its manaSet: The Brothers' War Retro Artifacts Type: Legendary Artifact Rarity: Mythic Cost: {0} {T}: Add one mana of any color among legendary creatures and planeswalkers you control. "A crystallized moment in time from the Mending Era, first discovered during the Ice Age. A temporal conundrum, even to the great scholar himself." *The Discoveries of Feldon*