little help with 2 potential modifications

Ok so after playing kev's mod of DotP 2010 for 3 days (after spending 2 days playing 2012 "vanilla") I have decided to take on one of 2 projects. (maybe both but unlikely)
A.) I'd like to figure out how 2010 recognizes the unlocked cards vs the core cards and see if the attribute defining whether a card can be added or removed from the deck (as is the case with the unlockables) can be applied to the core cards.
or
B.) I'd like to find a way to enable local co-op for 2012.
A notes:
I seen the unlockables xml files and at first I thought "what if I added all the cards from a deck to the xml" but I can kinda see where issues may arise for that so I'm kinda at a dead end here and the best I can think of is maybe if I took the time to learn lua it might help but either way I don't see a way so far
B notes:
This option seems more feasible. The files seem to be in place from the console versions and hypothetically it would simply mean adjusting certain "is it pc" checks but I'd like some opinions on it
What it all comes down to is I love the local co-op in 2010, and with kev's mods making it a total of 113 playable decks and 76 campaign missions, all in all it's amazing. The local co-op is the only thing causing me to like 2010 more than 2012. I like 2012's archenemy mode and the AI is definitely better and I figure with time we will have the kind of decks we have in 2010, it just isn't as fun if you cannot play locally with a friend (or significant other).
Any thoughts opinions or suggestions would be greatly appreciated. Thanks in advance.
A.) I'd like to figure out how 2010 recognizes the unlocked cards vs the core cards and see if the attribute defining whether a card can be added or removed from the deck (as is the case with the unlockables) can be applied to the core cards.
or
B.) I'd like to find a way to enable local co-op for 2012.
A notes:
I seen the unlockables xml files and at first I thought "what if I added all the cards from a deck to the xml" but I can kinda see where issues may arise for that so I'm kinda at a dead end here and the best I can think of is maybe if I took the time to learn lua it might help but either way I don't see a way so far
B notes:
This option seems more feasible. The files seem to be in place from the console versions and hypothetically it would simply mean adjusting certain "is it pc" checks but I'd like some opinions on it
What it all comes down to is I love the local co-op in 2010, and with kev's mods making it a total of 113 playable decks and 76 campaign missions, all in all it's amazing. The local co-op is the only thing causing me to like 2010 more than 2012. I like 2012's archenemy mode and the AI is definitely better and I figure with time we will have the kind of decks we have in 2010, it just isn't as fun if you cannot play locally with a friend (or significant other).
Any thoughts opinions or suggestions would be greatly appreciated. Thanks in advance.