Artifact
Each spell costs more to cast except during its controller's turn.
"Properly installed, each powerstone emits a targeted electromagnetic field that halts momentum as sure as stone."
—*Tome of Obstructions*Each spell costs more to cast except during its controller's turn.
"Properly installed, each powerstone emits a targeted electromagnetic field that halts momentum as sure as stone."
—*Tome of Obstructions*In Two-Headed Giant, spells don't cost extra on your own turn.
The additional cost can be reduced by effects that reduce costs, such as Sapphire Medallion.
Legality follows the dated Scryfall catalog snapshot.
For draft and prerelease, check the event’s release and rules. Missing statuses stay unavailable.
Official Magic rules| Format | Status |
|---|---|
| Standard | Not legal |
| Pioneer | Not legal |
| Modern | Legal |
| Legacy | Legal |
| Vintage | Legal |
| Commander | Legal |
| Oathbreaker | Legal |
| Alchemy | Not legal |
| Historic | Legal |
| Brawl | Legal |
| Comp. Brawl | Legal |
| Timeless | Legal |
| Pauper | Not legal |
| Duel | Legal |
For draft and prerelease, check the event’s release and rules.
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About this printingSet, collector number and language identify this edition. Reference prices are dated snapshots, not live offers or stock. Checked dates show successful price checks; Catalog dates show imported prices. Refresh due means an update is due. USD references come from TCGplayer; EUR references come from Cardmarket, via Scryfall. Missing prices are unavailable.
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View printing on ScryfallEn · Paper · Arena · MTGO
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