Steelswarm Operator
{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.
| Finish | Market Price | Lowest Price | Highest Price | Average Price |
|---|---|---|---|---|
| Normal | $0.06 | $0.06 | $0.84 | $0.13 |
| Foil | $0.13 | $0.12 | $2.90 | $0.24 |
Alchemy | Brawl | ||
Commander | Duel | ||
Gladiator | Historic | ||
Legacy | Modern | ||
Oathbreaker | Pauper | ||
Pauper Commander | Penny | ||
Pioneer | Standard | ||
Timeless |
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.