Cheapest priced copy (Aether Revolt): $0.99 at Card Kingdom, near mint, their price list as of .
Trophy Mage 
Creature — Human Wizard · 2/2 · Uncommon · Duel Decks: Elves vs. Inventors · #42
When this creature enters, you may search your library for an artifact card with mana value 3, reveal it, put it into your hand, then shuffle.
Legal inCommanderPioneerModernLegacyVintage
Not legal inBrawlStandardPauper
3 printings · $0.99 to $6.99 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Aether Revolt | 48 | Uncommon | $0.99 | $6.99 |
| Duel Decks: Elves vs. Inventors | 42 | Uncommon | $1.29 | — |
| Aether Revolt Promos | 48 | Uncommon | $2.29 | — |
One ruling from Wizards of the Coast
- 9 February 2017Trophy Mage's ability finds an artifact card with mana value exactly 3.