Victini @ Normalium Z  
Ability: Victory Star  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Celebrate  
- Searing Shot  
- Moonblast  
- Stored Power

Victini @ Choice Scarf / Choice Band
Ability: Victory Star
EVs: 252 Atk / 4 SpD / 252 Spe
Jolly Nature
- V-create
- Bolt Strike
- U-turn
- Trick / Play Rough
Victini certainly misses its Psychic STAB on Stored Power, but it still manages to be a decent sweeper or physical attacker with it's new unique STAB combo of Fire/Fairy, with Z-Celebrate sets still benefiting from Stored Power hitting Poison-types like Toxapex and Nihilego
Other Options: Focus Blast, Thunderbolt/Energy Ball, Glaciate, Final Gambit, Brick Break