Chief Engineer [Commander 2016]

Set: Commander 2016 Type: Creature — Vedalken Artificer Rarity: Rare Cost: {1}{U} Artifact spells you cast have convoke. (Your creatures can help cast those spells. Each creature you tap while casting an artifact spell pays for {1} or one mana of that creature's color.) An eye for detail, a mind for numbers, a soul of clockwork.