remove implication mega_mewtwo_x (78) -> legendary_pokemon (66044)
remove implication mega_mewtwo_y (471) -> legendary_pokemon (66044)
create implication mega_mewtwo (518) -> legendary_pokemon (66044)
create implication mega_latias (59) -> legendary_pokemon (66044)
create implication mega_latios (42) -> legendary_pokemon (66044)