
Magic: The Gathering · MirrodinUncommon
Assert Authority 30/306
Assert Authority from Mirrodin (Magic: The Gathering). Daily Cardmarket market price.
SetMirrodin
Number30/306
RarityUncommon
LanguageEnglish
ReleasedOct 2, 2003
IllustratorGreg Hildebrandt
Market price · Normal
€0.24
▲ +26.3% vs 30-day avg
Lowest€0.02
7-day avg€0.18
30-day avg€0.19
E-mail me when the price drops to
€
Price source: Cardmarket public price guide · updated Oct 30, 2026
Prices by variant
| Variant | Trend | Lowest | 30-day avg |
|---|---|---|---|
| Normal | €0.24 | €0.02 | €0.19 |
| Foil | €1.06 | €0.09 | €0.76 |
Price history
We record this card's price every day since Oct 30, 2026. The chart appears after a few days of data.
Card details
- Name
- Assert Authority
- Set
- Mirrodin · Expansions
- Type
- Instant · Blue
- ID
- mtg:fc339ed7-e1d4-4fe9-a4c4-b030d3e74c00
Card value FAQ
How much is Assert Authority 30/306 worth?
Assert Authority 30/306 from Mirrodin is currently worth €0.24 (Cardmarket trend, Normal variant, Oct 30, 2026). Listings start at €0.02. 30-day average: €0.19.
Which version of Assert Authority is the most valuable?
Of its 2 variants, Foil is valued highest at €1.06.
Is Assert Authority 30/306 going up in value?
Compared with the 30-day average, the price is up 26.3%. The chart above shows the daily price history, and you can set a price-drop alert.







