Exactly 20 in my Innova Deluxe.
My FH Favorites: *Destroyer, Opto Flow, FAF Champ FB, 2 *FLs
For BH: Blizzard Krait, TP Boatman, N Shock, Opto Saint, GL Saint, VIP Stag, 2 *TBs, GL River, VIP Underworld.
Mids: GL Pain, TP Warship, N Tangent
Putters: HPP Wizard, RFF Magic
It might be slight overkill, but I feel like I'm prepared to take on anything with those discs.