Mox Amber (Retro Schematic) (Serialized) [The Brothers' War Retro Artifacts] The Brothers' War Retro Artifacts Set: The Brothers' War Prerelease

Set: The Brothers' War Prerelease Promos Type: Legendary Creature — Phyrexian Praetor Rarity: Mythic Cost: {1}{B}{B} Whenever a creature deals combat damage to one of your opponents

Set: The Brothers' War Retro Artifacts Type: Artifact Rarity: Rare Cost: {X}{X}{X} Astral Cornucopia enters the battlefield with X charge counters on it

When Praetorhoof Behemoth enters the battlefield

(They're from the chosen plane if it's clear beyond doubt from the name

Mox Amber (Retro Schematic) (Serialized) [The Brothers' War Retro Artifacts] The Brothers' War Retro Artifacts Set: The Brothers' War PrereleaseSet: 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*