Delphox has the potential to work as a disruptor in a similar way as knock off Pokémon.
I think there is room for a Fire Gem Variant
NATURE: Timid / Modest
ITEMS: Fire Gem
EV's: 252 Sp. Atk. / 252 Speed / 6 HP
MOVESET -
Flamethrower
Psyshock
Grass Knot
Shadow Ball