Ichor Wellspring (Retro Schematic) (Serialized) [The Brothers' War Retro Artifacts] Secret Lair Countdown Kit Set: March of the Machine:

Set: March of the Machine: The Aftermath Type: Legendary Creature — Human Monk Rarity: Mythic Cost: {1}{U}{R}{W} Creatures you control have prowess

Set: Jumpstart 2022 Type: Snow Artifact Rarity: Uncommon Cost: {2} Coldsteel Heart enters the battlefield tapped

Set: Secret Lair Drop Series Type: Legendary Creature — Faerie Warlock Rarity: Mythic Cost: {1}{W}{U}{B} Flying

put a +1/+1 counter on target creature you control

It has "Sacrifice this creature: Add C

Ichor Wellspring (Retro Schematic) (Serialized) [The Brothers' War Retro Artifacts] Secret Lair Countdown Kit Set: March of the Machine:Set: The Brothers' War Retro Artifacts Type: Artifact Rarity: Uncommon Cost: {2} When Ichor Wellspring enters the battlefield or is put into a graveyard from the battlefield, draw a card. "Should a single drop take hold, the oil begins to consume organic tissue and will multiply until it overwhelms its host." Yawgmoth, collected writings