Arachne, Psionic Weaver (Extended Art) (245) (SPM)
Foil - LP
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Thran Turbine [Urza's Saga]
| Set: | Urza's Saga |
| Type: | Artifact |
| Rarity: | Uncommon |
| Cost: | 1 |
At the beginning of your upkeep, you may add {C}{C}. You can't spend this mana to cast spells.
When Urza asked the viashino what it did, they answered: "It hums."