FCA cards are legal in Commander, Legacy, and Vintage, and each card is also legal in any other format where its already legal (e.g., Lightning Bolt is Modern-legal)
Because production stopped years ago, surviving cards in mint condition attract strong interest from collectors seeking rare Pokmon merchandise connected to earlier eras of the hobby
Tutoring up equipment on ETB makes it a reasonable two-for-one and a great value engine once you factor in whites many flicker effects
3 Black Ward Black Widow, Agile Avenger Black Widow, Daring Operative Black Widow, Deadly Hunter Black Widow, Double Agent Black Widow, Intel Expert Black Widow, Natasha Romanoff Black Widow, Super Spy Blackblade Reforged Blackbloom Bog Blackbloom Rogue Blackcleave Cliffs Blackcleave Goblin Blacker Lotus Blacklance Paragon Blackmail Blacksmith's Skill Blacksmith's Talent Blacksnag Buzzard Blighted Blackthorn Bringer of the Black Dawn Chaos Shrine's Black Crystal Circle of Protection: Black Common Black Removal (playtest) Cornered by Black Mages Dakkon Blackblade Dakkon Blackblade Avatar Day of Black Sun Gate of the Black Dragon Gideon Blackblade Hammer of Nazahn Hyperion Blacksmith Knights of the Black Rose Korlash, Heir to Blackblade March from the Black Gate Marchesa, the Black Rose Masked Blackguard Narset's Reversal Ob Nixilis of the Black Oath
And, as far as him helping you to push through damage
The most recent set release for the Pokmon Trading Card Game is one of the most baffling design decisions in the history of the game, as a simple, 162-card set was broken up into two sets (Black Bolt and White Flare), each with a completely different set of cards