Mega Zard Y up to date VGC

Paralyzer (Thundurus) @ Sitrus Berry
Ability: Prankster
Level: 50
Shiny: Yes
EVs: 252 HP / 116 Def / 88 SpD / 52 Spe
Calm Nature
IVs: 0 Atk
- Thunder Wave
- Taunt
- Thunderbolt
- Swagger

Burn It Down (Charizard) (M) @ Charizardite Y
Ability: Blaze
Level: 50
Shiny: Yes
EVs: 188 HP / 44 Def / 116 SpA / 4 SpD / 156 Spe
Modest Nature
IVs: 0 Atk
- Solar Beam
- Heat Wave
- Protect
- Overheat

Flash of the Blade (Aegislash) (M) @ Weakness Policy
Ability: Stance Change
Level: 49
Shiny: Yes
EVs: 252 HP / 100 SpA / 156 SpD
Quiet Nature
IVs: 0 Spe / 0 Atk
- Flash Cannon
- Shadow Ball
- Wide Guard
- King's Shield

I Will Not Bow (Terrakion) @ Focus Sash
Ability: Justified
EVs: 4 HP / 252 Atk / 252 Spe
Jolly Nature
- Close Combat
- Rock Slide
- Quick Guard
- Protect

Dr. Feelgood (Ferrothorn) @ Lum Berry
Ability: Iron Barbs
Level: 50
EVs: 252 HP / 148 Atk / 108 SpD
Relaxed Nature
IVs: 0 Spe
- Gyro Ball
- Power Whip
- Leech Seed
- Protect​

Let it Go (Mamoswine) (M) @ Choice Scarf
Ability: Thick Fat
EVs: 20 HP / 148 Atk / 76 Def / 20 SpD / 244 Spe
Jolly Nature
- Superpower
- Icicle Crash
- Earthquake
- Rock Slide