This is mainly an In-Game team, but with some changes it could be a competitive one.
Soul Dew can be swapped for a twistedspoon
EVs:
Dragonair:
HP: 263, Sp. Atk: 193, Atk:178, Def: 164, Spec. Def: 176, Speed: 150
Charizard:
HP:296 , SP.Atk:254 , Atk:190 , Def:140 , Spec. Def:198 ...