Steelswarm Operator
{1}{U}Artifact Creature — Robot Soldier1/1
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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.
Keyword reminders
Flying. This creature can't be blocked except by creatures with flying or reach. · CR 702.9
Official rulings
- An “artifact source” is any object with the card type artifact. This means you could spend the mana from Steelswarm Operator’s last ability to activate an ability of an artifact you control or an artifact card in your hand or graveyard, for example. (2025-07-25)
Cards like this
Functionally similar cards by meaning — playable in Steelswarm Operator’s colours.
