Assert Authority
Instant· Mirrodin
for artifacts (This spell costs 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.
For rules and explanations, please see Assert Authority on Scryfall
From € 0,23 on Cardmarket (estimate) · 1 printing
Playtest sheetLegality
Paper
- Commander
- Legal
- Legacy
- Legal
- Modern
- Legal
- Vintage
- Legal
- Pauper
- Not legal
- Pioneer
- Not legal
- Standard
- Not legal
Arena
Not legal in any Arena format.
Printings
| Set | Number | Price |
|---|---|---|
| MirrodinShown | #30 | € 0,23 |
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