Assert Authority {5}{U}{U}

Instant

🏷️ Instant-speed enabler🏷️ Counterspell

Affinity for artifacts (This spell costs {1} less to cast for each artifact you control.) Counter target spell. If that spell is countered this way, exile it instead of putting it into its owner's graveyard.

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Featured print

Mirrodin

English · 2003-10-02

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Prices synced Jul 9, 2026 · 103,391 products cached

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Legality snapshot

standardNOT LEGALpioneerNOT LEGALmodernLEGALlegacyLEGALvintageLEGALcommanderLEGAL

💡 Not Standard legal because this card is from Mirrodin (released 2003-10-02), which has rotated out of Standard.

🛡️ Data Provenance & Integrity

Oracle source: Scryfall / Wizards
Oracle updated: July 6, 2026
Legality source: Scryfall
Legality checked: July 6, 2026
Price source: tcgcsv / TCGplayer
Price synced: Jul 9, 2026
Scryfall ID: fc339ed7-e1d4-4fe9-a4c4-b030d3e74c00
Oracle ID: 085bc7be-bd44-40af-8e8f-a1a8006fe22c
TCGplayer ID: 11353

Prints & prices

Prices last synced Jul 9, 2026

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