Trying OU

Gardevoir (F) @ Gardevoirite
Ability: Trace
Shiny: Yes
EVs: 16 HP / 8 Def / 232 SpA / 252 Spe
Timid Nature
- Hyper Voice
- Psyshock
- Focus Blast
- Will-O-Wisp

Weavile @ Focus Sash
Ability: Pickpocket
EVs: 252 Atk / 4 SpD / 252 Spe
Jolly Nature
- Knock Off
- Icicle Crash
- Ice Shard
- Swords Dance

Pet (Garchomp) (F) @ Choice Scarf
Ability: Rough Skin
EVs: 252 Atk / 4 SpD / 252 Spe
Jolly Nature
- Outrage
- Earthquake
- Iron Head
- Crunch

Keldeo @ Leftovers
Ability: Justified
EVs: 4 Def / 252 SpA / 252 Spe
Timid Nature
IVs: 0 Atk
- Substitute
- Calm Mind
- Scald
- Secret Sword

Serperior @ Life Orb
Ability: Contrary
EVs: 252 SpA / 4 SpD / 252 Spe
Timid Nature
IVs: 1 Atk
- Leaf Storm
- Dragon Pulse
- Hidden Power [Fire]
- Taunt

Talonflame @ Choice Band
Ability: Gale Wings
EVs: 252 Atk / 4 Def / 252 Spe
Jolly Nature
- Brave Bird
- Flare Blitz
- U-turn
- Tailwind