Cheapest priced copy (Betrayers of Kamigawa): $1.29 at Card Kingdom, near mint, their price list as of .
Mistblade Shinobi 
Creature — Human Ninja · 1/1 · Common · Betrayers of Kamigawa · #43
Ninjutsu {U} ({U}, Return an unblocked attacker you control to hand: Put this card onto the battlefield from your hand tapped and attacking.)
Whenever this creature deals combat damage to a player, you may return target creature that player controls to its owner's hand.
Legal inCommanderModernLegacyVintagePauper
Not legal inBrawlStandardPioneer
5 printings · $1.29 to $27.99 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Betrayers of Kamigawa | 43 | Common | $1.29 | $27.99 |
| Planechase 2012 | 20 | Common | $1.79 | — |
| Planechase Anthology | 20 | Common | $1.79 | — |
| The List | PCA-20 | Common | $1.49 | — |
| Salvat 2005 | E29 | Common | — | — |