Eon Dude (Latios) @ Choice Scarf  
Ability: Levitate  
Shiny: Yes  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk                                              
- Draco Meteor  
- Ice Beam  
- Psychic  
- Shadow Ball  

King of Hax (Haxorus) @ Choice Scarf  
Ability: Mold Breaker  
Shiny: Yes  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Outrage  
- Earthquake  
- Poison Jab  
- Superpower  

Gimme em berries (Exeggutor-Alola) @ Haban Berry  
Ability: Harvest  
Shiny: Yes  
EVs: 252 HP / 4 Atk / 252 Def  
Impish Nature  
- Protect  
- Dragon Hammer  
- Leech Seed  
- Sleep Powder  

Eon Dude counters
Alolan exeggutor and other dragons like noivern holding haban berry with ice beam
Can outspeed other scarf mons like haxorus, and other non scarf mons
Can also outspeed z movers and ko them with draco meteor

King of Hax counters
Counters tyrunt with mold breaker
Can outspeed other mons and can hit them with outrage

Gimme em berries counters
Strong dragon types with stat lowering moves like draco meteor and can put them to sleep
Can be annoying with harvest haban, and keep healing with leech seed