Board Thread:LOC General Discussion/@comment-5922049-20130702231005/@comment-8122845-20130702233208

Only three raid cards can activate, so there's no point having more. Make sure you have them skilled as high as possible, and put your highest atk cards in the other two spots. Raid cards should go in spots 1, 3, and 5, they have a higher chance of staying alive long enough to activate.