Tyranitar @ Leftovers
Sand stream
Careful nature
252 HP, 252 SPE, 4 HP
Taunt (Stop foes from setting up+)
Superpower (Coverage, attack/defense drop wont matter since this thing will not be in long)
Crunch (STAB)
Pursuit (Get priority on switching foes)
Cacturne @ Life orb
Sand veil
Cacturne is a very under-rated pokemon, but in OU, it can take down the biggest threats.
Jolly nature
252 ATK, 192 SPE, 64 HP
Sucker punch (STAB, priority)
Swords dance (Set up behind sub)
Substitute (Lets him set up)
Seed bomb (STAB)
Ferrothorn @ Leftovers
Iron barbs
252 HP, 168 SP.DEF, 88 DEF
Relaxed nature
Stealth rock (Set-up)
Thunder wave (Cripple big threats such as starmie/dragonite to half speed and chance to parahax)
Leech seed (Force some sweepers to switch such as cloyster, get hp)
Power whip (Main stab)
Landorus @ Choice scarf
Sand force
252 SPE, 252 ATK, 4 DEF
Jolly nature
Earthquake (STAB, sand rush boost)
Stone edge (Coverage, sand rush boosted)
U-turn (Scout)
Hammer arm (He won't be in that long so it doesn't matter)
Terrakion @ Life orb
Justified
Adamant nature
252 ATK, 252 SPE, 4 HP
Rock polish (Speed)
Swords dance (Attack)
Close combat (STAB, nothing wants to take a +2/4 close combat)
Stone edge (STAB, high crit chance)
Vaporeon
Water absorb
(You can shake off the sand damage with leftovers)
Bold nature
248 HP, 252 DEF, 8 SPE
Wish (Heal yourself/team)
Protect (PP stall, scout)
Scald (STAB, burn chance)
Ice beam (Coverage, freeze chance)