Mox Amber (Retro Schematic) [The Brothers' War Retro Artifacts] Phyrexian Zombie Knight When Cataclysmic Gearhulk enters the

When Cataclysmic Gearhulk enters the battlefield

you don't lose this mana as steps and phases end

" —*Rusko's Compendium of Clockwork"

Set: Summer Magic / Edgar Type: Enchantment — Aura Rarity: Uncommon Cost: {2}{U}{U} Enchant creature

you may put Nether Shadow into play

Mox Amber (Retro Schematic) [The Brothers' War Retro Artifacts] Phyrexian Zombie Knight When Cataclysmic Gearhulk enters theSet: The Brothers' War Retro Artifacts Type: Legendary Artifact Creature 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