Board Thread:MMKB Discussion/@comment-35335882-20180712025948/@comment-33173-20180712033857

Depends to who you ask for, and it may also depend on the Battle Card it copies. Like Giga and Mega cards, I don't think it's cheating, specially due to one being obtained in the story, and if you think it is, you can choose to not use it to make the game more challenging.