Cheapest priced copy (Betrayers of Kamigawa): $2.29 at Card Kingdom, near mint, their price list as of .
Walker of Secret Ways 
Creature — Human Ninja · 1/2 · Uncommon · Betrayers of Kamigawa · #60
Ninjutsu {1}{U} ({1}{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, look at that player's hand.
{1}{U}: Return target Ninja you control to its owner's hand. Activate only during your turn.
Legal inCommanderModernLegacyVintage
Not legal inBrawlStandardPioneerPauper
6 printings · $2.29 to $14.99 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Betrayers of Kamigawa | 60 | Uncommon | $2.29 | $14.99 |
| Planechase 2012 | 27 | Uncommon | $2.79 | — |
| Planechase Anthology | 27 | Uncommon | $2.79 | — |
| The List | PCA-27 | Uncommon | — | — |
| Salvat 2005 | E51 | Uncommon | — | — |
| Salvat 2005 | E52 | Uncommon | — | — |