Batterskull (Phyrexian) [Secret Lair Drop Series] Phyrexian Fungus Set: Secret Lair: From Cute

Set: Secret Lair: From Cute to Brute Type: Artifact Rarity: Uncommon Cost: {2} T: Add to your mana pool one mana of any color that a land an opponent controls could produce

Mother of Machines

or if it's just a special card for MagicCon Philadelphia

Sacrifice after III

Batterskull (Phyrexian) [Secret Lair Drop Series] Phyrexian Fungus Set: Secret Lair: From CuteSet: Secret Lair Drop Series Type: Artifact Equipment Rarity: Rare Cost: {5} Living weapon (When this Equipment enters the battlefield, create a 0 0 black Phyrexian Germ creature token, then attach this to it.) Equipped creature gets +4 +4 and has vigilance and lifelink. {3}: Return Batterskull to its owner's hand. Equip {5}