One underrated option on Moltres imo is agility. If your opponent doesn't have blissey, their counterplay to moltres usually consists of scaring it out with aero, starmie, mence.
:rs/moltres:
Moltres @ Leftovers
Ability: Pressure
EVs: 40 HP / 252 SpA / 216 Spe
Modest Nature
IVs: 2 Atk...