Well it's all a matter of luck, I only have 71% of the whole collection, but the best way to start is whenever you get a chance to battle Emerl (against) use the move you want him to learn about 5 times in a row to get the card for that move.
Chat with our AI personalities
It was mostly a one time thing in Sonic Battle.
no
yes I can
get the combo cards from the sonic team building in emerls story.
Rouge can be played as in... Sonic Adventure 2 Sonic Adventure 2 Battle Sonic Battle sonic riders That is all I can think of.