XY Black Star Promos TypePokmon Collector NumberXY125 RarityPromo ArtistEske Yoshinob Attacks Photon Wave30 During your opponent's next turn, any damage done by attacks from the Defending Pokmon is reduced by 30 (before applying Weakness and Resistance)
If you already have a board you can put this into play however you like and it will usually be enough to win the game with there and then
You can either get consistent buffs, card draw, or massive ramp without too much effort
It also led to arguments and time-wasting rulings by judges about such things as what exactly constituted a flip, how far it had to be above the table, whether it was actually touching something, and when cards could be moved around (supposedly, at least one tournament player attempted to cut his card into confetti so it would hit the whole table, although this is probably an urban legend.) As a result, they both ended up being banned in all formats, making Chaos Orb, Falling Star, and Shahrazad the only 3 cards that aren't ante cards, promo cards, or un-set cards that are banned in all formats
