Figured i'd post my decks, they make a big difference in time attack and arcade, and a decent one for survival:
Slot-B
+Ice Lv.3, +Ice Lv.3, +Ice Lv.2, Stability Lv.3, Stability Lv.3, +Multi Hit Lv. 3, +Multi Hit Lv. 3, +Multi Hit Lv. 2, +Multi Hit Lv. 2, +Multi Hit Lv. 2, +Fire Lv. 3, +Fire Lv. 3, +Fire Lv. 2, +Poison Lv. 3, +Poison Lv. 3
Slot-C
Stability Lv.3, Stability Lv.3, Stability Lv.2, Stability Lv.2, Stability Lv.2, Stability Lv.1, Stability Lv.1, Stability Lv.1, Stability Lv.1, Boost Soul Lv.3, Boost Soul Lv.3, Boost Soul Lv.2, Boost Soul Lv.2, Boost Soul Lv.2, Boost S-Pres Lv. 3
The Multi hits can be combined w/ an element or poison to do many consecutive hits, w/ the right character you can rack up major points in arcade. ;)