Steelswarm Operator (#80)

Type: Artifact Creature — Robot Soldier

Text: Flying
{T}: Add {U}. Spend this mana only to cast an artifact spell.
{T}: Add {U}{U}. Spend this mana only to activate abilities of artifact sources.

It harnesses energy from the brutal, mana-rich storms found deep within Uthros.

Set: Edge of Eternities (#80)