Your search for "Sengoku OP02-103" revealed the following:
Sengoku - OP02-103 - Rare from OP-02 Booster Pack: Paramount War, available at 401 Games Canada. Rarity: Rare Finish: Foil Artist: BISAI Card Text:[DON!! x1] [When Attacking] Give up to 1 of your opponent's Characters -2 cost during this turn....
Sengoku (Pirate Foil) - ST19-002 - Common from OP-PRB02 Premium Booster: The Best Vol.2, available at 401 Games Canada. Rarity: Common Finish: Foil Artist: kankurou Card Text:[On Play] You may trash 2 black "Navy" type cards from your hand: If...
Sengoku (Event Pack Vol. 1) - P-032 - Promo from One Piece Promotion Cards, available at 401 Games Canada. Rarity: Promo Finish: Foil Artist: tasaka Card Text:[DON!! x1] [Your Turn] Give all of your opponent's Characters -2 cost.
Sengoku (Alternate Art) - EB02-044 - Super Rare from EB02 Extra Booster: Anime 25th Collection, available at 401 Games Canada. Rarity: Super Rare Finish: Foil Artist: Katsumi Ishizuka and Takashi Tokushige Card Text:[Blocker][On Play] Play up to 1 black "Navy"...
Sengoku - OP10-031 - Common from OP-10 Booster Pack: Royal Blood, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Hayaken-sarena