Machamp ex has slightly higher HP and a slightly higher attack making it that bit more powerful than the standard version of it, but this also means you arent really missing out on much by not having the ex Pokemon
[33] [34] [35] [36] Legal dispute with Beyond Comics [edit] In 2008, Beyond Comics and its founder Graig Weich filed a lawsuit in the United States District Court for the Southern District of New York against Konami, Nihon Ad Systems, 4Kids Entertainment, Upper Deck, and others, alleging copyright infringement, trade dress infringement, and unfair competition
Since you're locked into only using Light and Dark monster effects for the rest of the duel after using it as a hand trap, decks like Mitsurugi have been able to easily slot it in
If this card in your possession is destroyed by an opponent's card effect and sent to your GY: You can target 1 "Red-Eyes" monster in your GY