Dracovish @ Choice Scarf  
Ability: Strong Jaw  
Level: 50  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
IVs: 0 SpA  
- Fishious Rend  
- Super Fang  
- Psychic Fangs  
- Ice Fang

Unown
Options:
- offensive: Rock Slide
- supportive: Protect
- item: Choice Band, Life Orb, Mystic Water
- Nature: Adamant

Unown
Offensive calcs:
- -1 252 Atk Strong Jaw Dracovish Fishious Rend (170 BP) vs. 236 HP / 4 Def Incineroar: 246-290 (123 - 145%) -- guaranteed OHKO
- 252 Atk Strong Jaw Dracovish Fishious Rend (170 BP) vs. 252 HP / 0 Def Mega Dhelmise in Heavy Rain: 229-270 (129.3 - 152.5%) -- guaranteed OHKO

Unown
Useful partners:
- Rain setter: Pelipper, Politoed, Mega Dhelmise, Mega Walrein
- if non Choice Scarf: Mega Clefable, Murkrow, Sableye

Dracovish @ Life Orb  
Ability: Sand Rush  
Level: 50  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
IVs: 0 SpA  
- Fishious Rend  
- Protect  
- Psychic Fangs  
- Ice Fang

Unown
Options:
- offensive: Rock Slide
- item: Choice Band, Mystic Water
- Nature: Adamant

Unown
Offensive calcs:
- -1 252 Atk Life Orb Dracovish Fishious Rend (170 BP) vs. 236 HP / 4 Def Incineroar: 213-252 (106.5 - 126%) -- guaranteed OHKO
- -1 252 Atk Life Orb Dracovish Fishious Rend (170 BP) vs. 4 HP / 0 Def Landorus-T: 213-252 (129 - 152.7%) -- guaranteed OHKO
- 252 Atk Life Orb Dracovish Fishious Rend (170 BP) vs. 252 HP / 0 Def Mega Dhelmise in Heavy Rain: 222-263 (125.4 - 148.5%) -- guaranteed OHKO

Unown
Useful partners:
- Sand / Desert Gale setter: Tyranitar, Gigalith, Mega Flygon
- others: Mega Hawlucha