Cheapest priced copy (Assassin's Creed): $0.79 at Card Kingdom, near mint, their price list as of .
Loyal Inventor 
Creature — Human Artificer · 2/3 · Uncommon · Assassin's Creed · #21
Vigilance
When this creature enters, you may search your library for an artifact card, reveal it, then shuffle. Put that card into your hand if you control an Assassin. Otherwise, put that card on top of your library.
Legal inCommanderModernLegacyVintage
Not legal inBrawlStandardPioneerPauper
2 printings · $0.79 to $0.99 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Assassin's Creed | 21 | Uncommon | $0.79 | $0.99 |
| Assassin's Creed | 194 | Uncommon | — | — |