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Mewtwo-Psystrike's still a good move regardless, but note that it hasn't been fully implemented yet and doesn't use the opponent's physical defense to deal damage.
Jolteon-It's not possible to switch now unless you edit the Pokémon externally, but HP Ice is another option for HIdden Power that hits common Dragons hard and also hits Ground types (especially Gliscor). Jolteon doesn't really have the bulk to be boosting with Charge Beam, so Volt Switch will be an alternative once it is implemented. Along the same lines, Leftovers won't help too much, so go with a more offensively oriented item like Choice Specs.
Lapras-I'm not sure if partially-trapping moves work correctly yet. If they do, then fine, but if not, then your set won't be effective.
Infernape-Fire Blast's power is usually worth the trade-off of accuracy, but it's your choice there. At the moment, Grass Knot has a flat 60 power rather than being based on weight, so it wouldn't be very useful except on Swampert. Stone Edge, Mach Punch, and U-turn (once it works) are other options. You have a very specific EV spread to outrun base 100 Speed, but you may have to modify it based on whether or not you have a 31 Speed IV, as you may otherwise fall short of the Pokémon you want to outspeed. Leftovers is once again of limited use due to Infernape's poor defenses, but the only viable option for a mixed attacker at the moment is Choice Scarf (don't use with Mach Punch). If you don't think a Scarf would be helpful to you, stick with Leftovers.
Ninetales-Overheat and Leftovers conflict with each other, so either use Fire Blast/Flamethrower or use Choice Specs. Ninetales also can't learn Dark Pulse in Pixelmon, so the only other special option is Psyshock/Extrasensory, which isn't too useful. Alternatively, you could instead use a move like Will-o-Wisp (not with Specs) to cripple some opponents.
Porygon2 has nice bulk, respectable SpAtk, reliable recovery, and a nice special movepool, but do note that Eviolite is not in Pixelmon so it won't be as bulky as it is in the games. Leftovers will suffice as a substitute item though. It's more of a bulky attacker than a wall though.
Edit: I was thinking for a lead metagross and gengar attack
Metagross adamant occaberry
HP 256 Atk 236 Spdef 20
Stealthrock bulletpunch earthquake explosion
Gengar timid wide lens
Hp4 Spatk 252 SPD 252
Hypnosis shadowball thunderbolt focusblast
There's no reason to use Rhydon as Rhyperior exists and Eviolite is not implemented. As for Rhyperior, keep it away from special attacks and its 4x weaknesses and it will hit nice and hard while being able to stomach some physical attacks with its good Defense and HP.
No tutors in Pixelmon means no Stealth Rock for Metagross, so it won't work quite as well as a dedicated lead. Explosion in Gen 5 isn't quite as good as it was in Gen 4 as it no longer halves Defense. Stronger STAB moves like Meteor Mash/Zen Headbutt could fill those moveslots. For non-lead Metagross, Leftovers or a choice item (depending on your set) would work better. A speed boosting move (Agility/Rock Polish) could replace Bullet Punch if you want to go the boosting way.
Gengar looks fine as is. Hidden Power Ice/Fire are options over Thunderbolt depending on what you want to hit.
Keep in mind that Rhyperior, Gengar (no Levitate), and Metagross are all weak to Ground, so you'll still have to be careful around Ground types.
Okay so I believe I have a good team now.
Although I am still missing one for my team would you recommend Porygon2 or Z and do you have a suggested move set. Or do you have an Idea for another pokemon in its place? I would use Lucario but he is not in D: or a Scizor but again not in D:
Porygon-Z has a very high Special Attack, decent Speed and nice coverage, although it won't be taking too many hits. Tri Attack, Shadow Ball, and Hidden Power Fire/Fighting/Ground (depending on what Steel types you want to hit harder), along with another coverage move (Thunderbolt/Ice Beam) or a boosting move (Nasty Plot/Agility) would suit Porygon-Z nicely.
Scizor is in Pixelmon. It may play somewhat differently for the moment as Technician and U-turn aren't working yet.