Cheapest priced copy (Throne of Eldraine): $0.49 at Card Kingdom, near mint, their price list as of .
Stolen by the Fae 
Sorcery · Rare · Bloomburrow Commander · #176
Return target creature with mana value X to its owner's hand. You create X 1/1 blue Faerie creature tokens with flying.
Legal inCommanderPioneerModernLegacyVintage
Not legal inBrawlStandardPauper
7 printings · $0.49 to $3.99 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Bloomburrow Commander | 176 | Rare | $0.59 | — |
| Throne of Eldraine | 66 | Rare | $0.49 | $0.79 |
| Throne of Eldraine | 348 | Rare | $2.29 | $3.99 |
| Jumpstart 2022 | 353 | Rare | $0.49 | — |
| Foundations Jumpstart | 369 | Rare | $0.49 | — |
| Throne of Eldraine Promos | 66p | Rare | $0.59 | $1.49 |
| Throne of Eldraine Promos | 66s | Rare | — | $0.79 |
2 rulings from Wizards of the Coast
- 4 October 2019If the target creature is an illegal target by the time Stolen by the Fae tries to resolve, the spell won't resolve. You won't create any Faerie tokens.
- 4 October 2019If a creature on the battlefield has {X} in its mana cost, X is considered to be 0.