Cheapest priced copy (Duel Decks: Mind vs. Might): $0.49 at Card Kingdom, near mint, their price list as of .
The Unspeakable 
Legendary Creature — Spirit · 6/7 · Rare · Champions of Kamigawa · #98
Flying, trample
Whenever The Unspeakable deals combat damage to a player, you may return target Arcane card from your graveyard to your hand.
Legal inCommanderModernLegacyVintage
Not legal inBrawlStandardPioneerPauper
3 printings · $0.49 to $4.99 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Champions of Kamigawa | 98 | Rare | $0.99 | $4.99 |
| Duel Decks: Mind vs. Might | 13 | Rare | $0.49 | — |
| The List | DDS-13 | Rare | $0.49 | — |