User blog comment:AmazingPST"Providence"/Buddyfight Deck contest 02!!/@comment-25600444-20150922160540/@comment-25600444-20150922192203

Is there a restriction on what sets we can use?

I.e. Released sets only (up to Lord of Hundred Thunder) or can we use cards that aren't out yet like the ones from Assault of the Omni Lords?