さなつるぎげっこ

https://pokepast.es/f9defac5b9dcf36b

Hippowdon @ Rocky Helmet
Ability: Sand Stream
Level: 50
EVs: 252 HP / 252 Def / 4 Spe
Impish Nature
- Earthquake
- Ice Fang
- Yawn
- Slack Off

Charizard-Mega-Y @ Charizardite Y
Ability: Blaze
Level: 50
EVs: 252 SpA / 4 SpD / 252 Spe
Timid Nature
IVs: 0 Atk
- Flamethrower
- Overheat
- Air Slash
- Hidden Power [Ice]

Gardevoir-Mega @ Gardevoirite
Ability: Trace
Level: 50
EVs: 124 HP / 156 SpA / 228 Spe
Modest Nature
IVs: 0 Atk
- Hyper Voice
- Psyshock
- Hidden Power [Ground]
- Taunt

Mimikyu @ Mimikium Z
Ability: Disguise
Level: 50
EVs: 4 HP / 252 Atk / 252 Spe
Jolly Nature
- Play Rough
- Shadow Sneak
- Drain Punch
- Swords Dance

Greninja @ Waterium Z
Ability: Torrent
Level: 50
EVs: 12 HP / 12 Def / 228 SpA / 4 SpD / 252 Spe
Timid Nature
IVs: 0 Atk
- Hydro Cannon
- Dark Pulse
- Substitute
- Work Up

Kartana @ Choice Scarf
Ability: Beast Boost
Level: 50
EVs: 4 HP / 252 Atk / 252 Spe
Jolly Nature
- Leaf Blade
- Smart Strike
- Knock Off
- Sacred Sword