I use this team to try and cover most threats I face, and while it seems to have no strategy I find it to work quite well in random matchup. Rate it for OU as well as random matchup if you can.
Alakazam:
Item: Life Orb.
Magic guard.
-Psyshock
-Shadow Ball
-Focus Blast
-Substitute
252 special attack, 252 speed, 4 HP
Timid.
Being very fast and having great special attack, Alakazam is able to take on quite a few threats. With focus blast (unfortunately inaccurate) he is able to take on dark and steel threats that may give him problems, and even out-speeds a choice scarf tyranitar. Because of his great speed, substitute is a nice backup when people assume I'll be switching. I used psychic on this one because I find myself needing that extra push with most threats he faces. Shadow ball takes care of other psychics such as Starmie.
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Starmie:
Item: Choice Scarf.
Natural Cure.
-Psyshock
-Surf (hydro pump proved far too inaccurate at times)
-Ice Beam
-Thunderbolt
252 special attack, 252 speed, 4 hp
Timid.
My bolt-beam Starmie. I used to have Rapid Spin in place of psychic, but in the 3 way random matchup battles it isn't really that necessary. Great speed and decent special attack make him a force to be reckoned with, especially against dragons such as dragonite. Since I do have stealth rock, he can blast away through threats such as Dragonite quickly. Still a great teammate in 3 or 6 way battles.
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Gengar:
Item: Focus Sash.
Levitate.
-Shadow Ball
-Thunderbolt
-Focus Blast
-Destiny Bond
252 special attack, 252 speed, 4 hp
Timid.
Focus sash and Destiny Bond might seem crazy to some, but it's actually quite useful. Outspeeding most threats, Gengar can easily take out an Enemy in two hits, wait for the next, use Destiny Bond, and take out a second. Focus Blast keeps a variety of threats at bay, but being that it’s so inaccurate it can only be so trustworthy.
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Volcarona:
Item: Flame plate.
Flame Body.
-Fiery Dance
-Bug Buzz
-Hidden Power/Ice
-Quiver Dance
252 special attack, 252 speed, 4 special defense
Timid.
Volcarona is my only fire fighter in my team. I have Will-O-Wisp because I constantly find myself in the face of threats with high attack. Flame plate is so I can hit Metagross and Bronzong harder, and I can’t have another life orb on him, nor would using choice items be a good idea since I like to try and sneak in Quiver Dances. That being said, the rest of the moves are pretty standard.
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Scizor:
Item: Life orb.
Technician.
-Superpower
-Bullet Punch
-Bug Bite
-Swords Dance
252 attack, 252 speed, 4 defense
Adamant.
One of my favorite powerhouses and scouts. I keep him as a scout so I can easily switch out to another pokemon that may be able to take a hit better than him. With Swords Dance, I can use Superpower and still have a devastating attack stat left. I do regret not splitting speed with defense, and I may end up doing that in the future.
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Bronzong:
Item: Leftovers.
Levitate.
-Gyro Ball
-Light Screen
-Toxic
-Stealth Rock
252 def, 252 special defense, 4 hp
Relaxed.
My tank and my usual starter in 6-way fights. When in a 6-way battle, he would be using light clay to keep that Light Screen up. I use Light Screen because his defense is a bit higher, and the only huge threat to him is fire. With light screen, that threat is somewhat removed. It also helps keep huge threats from bothering the rest of my team. Stealth Rock is a must in some 3 way battles, and Toxic can be very useful to keep threats other teammates might not be able to switch in to off the field.
Bolded = thanks to Dr Ciel and Alexander.
Alakazam:
Item: Life Orb.
Magic guard.
-Psyshock
-Shadow Ball
-Focus Blast
-Substitute
252 special attack, 252 speed, 4 HP
Timid.
Being very fast and having great special attack, Alakazam is able to take on quite a few threats. With focus blast (unfortunately inaccurate) he is able to take on dark and steel threats that may give him problems, and even out-speeds a choice scarf tyranitar. Because of his great speed, substitute is a nice backup when people assume I'll be switching. I used psychic on this one because I find myself needing that extra push with most threats he faces. Shadow ball takes care of other psychics such as Starmie.
----------------
Starmie:
Item: Choice Scarf.
Natural Cure.
-Psyshock
-Surf (hydro pump proved far too inaccurate at times)
-Ice Beam
-Thunderbolt
252 special attack, 252 speed, 4 hp
Timid.
My bolt-beam Starmie. I used to have Rapid Spin in place of psychic, but in the 3 way random matchup battles it isn't really that necessary. Great speed and decent special attack make him a force to be reckoned with, especially against dragons such as dragonite. Since I do have stealth rock, he can blast away through threats such as Dragonite quickly. Still a great teammate in 3 or 6 way battles.
----------------
Gengar:
Item: Focus Sash.
Levitate.
-Shadow Ball
-Thunderbolt
-Focus Blast
-Destiny Bond
252 special attack, 252 speed, 4 hp
Timid.
Focus sash and Destiny Bond might seem crazy to some, but it's actually quite useful. Outspeeding most threats, Gengar can easily take out an Enemy in two hits, wait for the next, use Destiny Bond, and take out a second. Focus Blast keeps a variety of threats at bay, but being that it’s so inaccurate it can only be so trustworthy.
----------------
Volcarona:
Item: Flame plate.
Flame Body.
-Fiery Dance
-Bug Buzz
-Hidden Power/Ice
-Quiver Dance
252 special attack, 252 speed, 4 special defense
Timid.
Volcarona is my only fire fighter in my team. I have Will-O-Wisp because I constantly find myself in the face of threats with high attack. Flame plate is so I can hit Metagross and Bronzong harder, and I can’t have another life orb on him, nor would using choice items be a good idea since I like to try and sneak in Quiver Dances. That being said, the rest of the moves are pretty standard.
----------------
Scizor:
Item: Life orb.
Technician.
-Superpower
-Bullet Punch
-Bug Bite
-Swords Dance
252 attack, 252 speed, 4 defense
Adamant.
One of my favorite powerhouses and scouts. I keep him as a scout so I can easily switch out to another pokemon that may be able to take a hit better than him. With Swords Dance, I can use Superpower and still have a devastating attack stat left. I do regret not splitting speed with defense, and I may end up doing that in the future.
----------------
Bronzong:
Item: Leftovers.
Levitate.
-Gyro Ball
-Light Screen
-Toxic
-Stealth Rock
252 def, 252 special defense, 4 hp
Relaxed.
My tank and my usual starter in 6-way fights. When in a 6-way battle, he would be using light clay to keep that Light Screen up. I use Light Screen because his defense is a bit higher, and the only huge threat to him is fire. With light screen, that threat is somewhat removed. It also helps keep huge threats from bothering the rest of my team. Stealth Rock is a must in some 3 way battles, and Toxic can be very useful to keep threats other teammates might not be able to switch in to off the field.
Bolded = thanks to Dr Ciel and Alexander.