Doublade as a Counter because all other good ones were taken
Doublade @ Eviolite
Ability: No Guard
EVs: 252 HP / 4 Atk / 252 SpD
Sassy Nature
IVs: 0 Spe
- Gyro Ball / Shadow Claw
- Toxic
- Rest
- Sleep Talk
Doublade's great defensive typing and decent special bulk allows it to function as a pretty solid Latios counter. Gyro Ball or Shadow Claw + Toxic enable Doublade to maintain offensive pressure on Latios so that it cannot setup on Doublade easily and RestTalk serves as passable recovery.
4 Atk Doublade Gyro Ball (130 BP) vs. 0 HP / 0 Def Latios: 184-217 (61.1 - 72%) -- guaranteed 2HKO
4 Atk Doublade Shadow Claw vs. 0 HP / 0 Def Latios: 200-236 (66.4 - 78.4%) -- guaranteed 2HKO
252 SpA Life Orb Latios Draco Meteor vs. 252 HP / 252+ SpD Eviolite Doublade: 100-118 (31 - 36.6%) -- possible 7HKO
+1 252 SpA Life Orb Latios Draco Meteor vs. 252 HP / 252+ SpD Eviolite Doublade: 149-177 (46.2 - 54.9%) -- guaranteed 4HKO