When Cathodion is put into a graveyard from play, add 3 to your mana pool.
Cathodions repair the Great Furnace by soldering parts of themselves to the mechanism. Eventually, they become one with the machine.

• Number: 149
• Rarity: U
• Power: 3
• Toughness: 3
• Type: Artifact Creature
• Mana cost: 3
• Color: Artifact
• Artist: Eric Peterson