Sokenzan Spellblade (SOK) from Saviors of Kamigawa, available at 401 Games Canada.

• Rarity: Common
• Finish: Normal
• Artist: Carl Critchlow
• Card Text:
  Bushido 1 (Whenever this creature blocks or becomes blocked, it gets +1/+1 until end of turn.)
  1R: Sokenzan Spellblade gets +X/+0 until end of turn, where X is the number of cards in your hand.