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 Slagstone Refinery | |
|---|---|
| Mana cost |  |
| Mana value | 4 |
| Type | Artifact |
| Power / Toughness | — |
| Rarity | Uncommon |
| Price | $0.17 |
| Rules text | Whenever this artifact 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 " : Add  . This mana can't be spent to cast a nonartifact spell.") |