Mox Amber (Retro Schematic) (Serialized) [The Brothers' War Retro Artifacts] Phyrexian Warlock Unclaimed Cat has Toxic 1

Unclaimed Cat has Toxic 1

you may reveal it and put it into your hand

pay any amount of life

“Slivers are guided only by simple instinct

you gain that much life

Mox Amber (Retro Schematic) (Serialized) [The Brothers' War Retro Artifacts] Phyrexian Warlock Unclaimed Cat has Toxic 1Set: 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*