Kentaro, the Smiling Cat BOK/13

Set: Betrayers of Kamigawa
Collector Code: BOK/13
Name: Kentaro, the Smiling Cat
Type: Legendary Creature — Human Samurai
Oracle text: 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.
Rarity: Rare