Undercity Sewers (Borderless) (20) (PZA)
Non-Foil - NM
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![Slagstone Refinery [The Brothers' War]](https://cdn.shopify.com/s/files/1/0267/9501/6251/products/6d00ad44-ba74-551c-b032-536b4a35fb18_62ceb068-63dc-488c-88f2-db705c481cac.jpg?v=1700190938)
Slagstone Refinery [The Brothers' War]
| Set: | The Brothers' War |
| Type: | Artifact |
| Rarity: | Uncommon |
| Cost: | 4 |
Whenever Slagstone Refinery or another nontoken artifact you control is put into a graveyard from the battlefield or is put into exile from the battlefield, create a tapped Powerstone token. (It's an artifact with “{T}: Add {C}. This mana can't be spent to cast a nonartifact spell.”)