Sun trick room core, which is really good right now in my opinion:
Charizard @ Charizardite Y
Ability: Blaze
EVs: 248 HP / 144 Def / 116 SpA
Quiet Nature
IVs: 0 Atk / 0 Spe
- Heat Wave
- Solar Beam
- Overheat
- Protect
Necrozma @ Leftovers
Ability: Prism Armor
EVs: 252 HP / 252 Def / 4 SpD
Relaxed Nature
IVs: 0 Atk / 0 Spe
- Trick Room
- Psyshock
- Calm Mind
- Moonlight
Scrafty @ Sitrus Berry
Ability: Intimidate
EVs: 252 HP / 252 Atk / 4 SpD
Brave Nature
IVs: 0 Spe
- Fake Out
- Drain Punch
- Knock Off
- Quick Guard
Charizard @ Charizardite Y
Ability: Blaze
EVs: 248 HP / 144 Def / 116 SpA
Quiet Nature
IVs: 0 Atk / 0 Spe
- Heat Wave
- Solar Beam
- Overheat
- Protect
Necrozma @ Leftovers
Ability: Prism Armor
EVs: 252 HP / 252 Def / 4 SpD
Relaxed Nature
IVs: 0 Atk / 0 Spe
- Trick Room
- Psyshock
- Calm Mind
- Moonlight
Scrafty @ Sitrus Berry
Ability: Intimidate
EVs: 252 HP / 252 Atk / 4 SpD
Brave Nature
IVs: 0 Spe
- Fake Out
- Drain Punch
- Knock Off
- Quick Guard