SubPunch Tyranitar
Tyranitar @ Leftovers
Ability: Sand Stream
EVs: 252 HP / 192 Atk / 64 SpA
Brave Nature
- Substitute
- Focus Punch
- Crunch / Stone Edge
- Ice Beam
Tyranitar can set up a substitute against many pokemon like Heatran and Talonflame which gives you an opportunity to hit the incoming pokemon with a 150 BP move coming from a 134 atk stat. Crunch is for coverage which is only resisted by fairy types, though Stone Edge is also a great option as it gives you better neutral coverage. Ice Beam is to hit physical walls with enough SpA to OHKO Scarf Landorus-T and 2hko SpD Gliscor and 404 HP gives you 101 subs which helps against seismic toss users.
Calcs:
64 SpA Tyranitar Ice Beam vs. 0 HP / 0 SpD Landorus-T: 320-380 (100.3 - 119.1%) -- guaranteed OHKO
64 SpA Tyranitar Ice Beam vs. 244 HP / 192+ SpD Gliscor: 248-292 (70.4 - 82.9%) -- guaranteed 2HKO after Stealth Rock and Poison Heal
192+ Atk Tyranitar Focus Punch vs. 248 HP / 216+ Def Rotom-W: 124-147 (40.9 - 48.5%) -- 69.5% chance to 2HKO after Stealth Rock, sandstorm damage, and Leftovers recovery
192+ Atk Tyranitar Focus Punch vs. 252 HP / 0 Def Heatran: 336-396 (87 - 102.5%) -- 93.8% chance to OHKO after Stealth Rock

Tyranitar @ Leftovers
Ability: Sand Stream
EVs: 252 HP / 192 Atk / 64 SpA
Brave Nature
- Substitute
- Focus Punch
- Crunch / Stone Edge
- Ice Beam
Tyranitar can set up a substitute against many pokemon like Heatran and Talonflame which gives you an opportunity to hit the incoming pokemon with a 150 BP move coming from a 134 atk stat. Crunch is for coverage which is only resisted by fairy types, though Stone Edge is also a great option as it gives you better neutral coverage. Ice Beam is to hit physical walls with enough SpA to OHKO Scarf Landorus-T and 2hko SpD Gliscor and 404 HP gives you 101 subs which helps against seismic toss users.
Calcs:
64 SpA Tyranitar Ice Beam vs. 0 HP / 0 SpD Landorus-T: 320-380 (100.3 - 119.1%) -- guaranteed OHKO
64 SpA Tyranitar Ice Beam vs. 244 HP / 192+ SpD Gliscor: 248-292 (70.4 - 82.9%) -- guaranteed 2HKO after Stealth Rock and Poison Heal
192+ Atk Tyranitar Focus Punch vs. 248 HP / 216+ Def Rotom-W: 124-147 (40.9 - 48.5%) -- 69.5% chance to 2HKO after Stealth Rock, sandstorm damage, and Leftovers recovery
192+ Atk Tyranitar Focus Punch vs. 252 HP / 0 Def Heatran: 336-396 (87 - 102.5%) -- 93.8% chance to OHKO after Stealth Rock