Kanto The 1st Edition Team Rocket Booster Box introduced "Dark Pokemon" with artwork that showcased moodier, rebellious designs. Additionally, the Dark Raichu is considered the first "secret rare" before they were Pokemon Card 151 Booster Box SV2a: Pokemon Card 151 Pokemon Japan TCGplayer.com Japanese 151 Booster Box PocketPacks TCG Japanese 151 Booster Box [Sealed] Common Lands Pokemon 151 Booster Box Japanese Sealed Mercari