Cheapest priced copy (Betrayers of Kamigawa): $3.49 at Card Kingdom, near mint, their price list as of .
Kentaro, the Smiling Cat 
Legendary Creature — Human Samurai · 2/1 · Rare · Betrayers of Kamigawa · #13
Bushido 1 (Whenever this creature blocks or becomes blocked, it gets +1/+1 until end of turn.)
You may pay {X} rather than pay the mana cost for Samurai spells you cast, where X is that spell's mana value.
Legal inCommanderModernLegacyVintage
Not legal inBrawlStandardPioneerPauper
1 printing · $3.49 to $8.99 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Betrayers of Kamigawa | 13 | Rare | $3.49 | $8.99 |
2 rulings from Wizards of the Coast
- 1 February 2005Kentaro doesn’t change when you can cast Samurai. It just makes Samurai castable for generic mana.
- 1 February 2005Kentaro’s ability only applies while Kentaro is on the battlefield. You have to pay for Kentaro normally. It still costs {1}{W}.