Hi,
You have a rather interesting team that utilizes some under-appreciated Pokemon. However, it seems fairly open to some of the top threats in the current metagame. While you may not be completely new to competitive battling, there are several threats unaccounted for. With due respect, I'm a little bit reluctant to rate, because I feel I might have to change half of your team in order to let it better deal with many threats. I'll go for it anyway, though.
First things first, why are you using a format of 4 OU, 1 UU, 1 NU? While it's great to challenge yourself by incorporating a set of rules for your own team, I would suggest getting a little bit more experience using a team that's not "gimmicky". Lower tiers can be great for filling specific niches in the in your team, but without that niche, it may very well be outclassed by an OU.
With that out of the way, on to your team.
Individually
Aerodactyl - I actually don't see him doing a whole lot for your team; he is by no means an anti-lead, which I think is what you may be going for. He is a suicide lead, meant to quickly gain momentum for an offensive team by setting Stealth Rock, and preventing slower leads from laying down their own. He gets KO'd really soon in the match. With things like Cradily and Dusknoir on your team, you'd be better off with a lead that can survive a little longer than the first several turns of a match, and provide some synergy for the rest of your team. Since you've got Cradily with Stealth Rock (though I'd recommend changing it, but I'll get to that later), I'd suggest an anti-lead such as LO Starmie, Scarf Jirachi, or maybe even Machamp. Or, if you decide to get rid of Stealth Rock on Cradily, you can use something like Shuca Berry Heatran or Metagross as a lead to set up Stealth Rock.
Honchkrow - I suppose this is what your team is centered around. In response to your latest post, Choice Band Honchkrow is usable, but if locked into the wrong move (and if your opponent figures out its choiced), it can become setup fodder for a sweeper. Also, it comes no where near outspeeding most of OU without a Scarf, especially without a Scarf itself. Honchkrow sits at 71 base speed, and you're using a speed neutral nature, so anything with 72 or higher base speed, or things with slightly a lower base speed, but using a positive speed nature (and enough Speed EVs, of course) will outspeed Honchkrow. I highly recommend trying out the Life Orb set to allow more versatility, or at least a Choice Scarf to boost its mediocre-at-best speed (though once again, locking yourself into the wrong move makes Honchkrow easy setup fodder).
Magnezone - A solid teammate for Honchkrow, as it resists Honchkrow's three weaknesses (though Honchkrow still has trouble taking neutral hits :/), and traps steels like Sczior who can be a problem. However, steels lacking priority, enough speed, or enough bulk to take a Superpower / Heatwave can be handled by Honchkrow. For this reason, I think keeping HP Grass is fine for taking out stuff like Swampert, as the Steels who can pose a problem are hit hard enough by Thunderbolt. Metagross with Earthquake can be an issue, especially if it has Bullet Punch to hit Honchkrow with, but HP Fire does around the same damage as Thunderbolt anyway. I do second Leftovers over Life Orb, as well as Substitute, though over Flash Cannon, not Explosion.
Dusknoir - In and of itself, not bad, but you're not really using it to its full potential. One of the bigger reasons to use Dusknoir is to spin block-- to prevent your entry hazards from being spun anyway. However, you're only using Stealth Rock, which isn't exceptionally hard to re-setup, and it only takes a turn for full potential, as opposed to two for Toxic Spikes, or three for Spikes, not to mention all three hazards used in conjunction. If he's just there to check some specific Pokemon, you may be better off using something else that can check said Pokemon, but also benefit the team in a different way. The burns may help Honchkrow take a hit (...maybe...), and it can be a last-ditch-effort to KO something that has set up, but at the same time, it could just be setup fodder, especially for something with Taunt that resists your lone attack. If I remember right, Destiny Bond isn't affected by taunt, but it can be stalled out of PP, despite Dusknoir's Pressure, as many non-attacking moves have tons more PP than Destiny Bond. If you like Dusknoir, you may want to get a second attacking move over Confuse Ray (unless that has worked out for you) or even Pain Split for recovery. You may also want to consider either of those two mentioned options over Destiny Bond. Also, does that EV spread do anything specific for you?
Cradily - If you're going to use Cradily, take advantage of its qualities. Thanks to Suction Cups, it can't be phazed, and therefore it's harder to get rid of its stat boosts. It'll have to either force it out by threatening it with a powerful attacker, KO it straight out (though that's essentially the same as the last thing with the only difference being whether you switch Cradily out or not), or Taunt it to prevent set up in the first place. Therefore, I'd suggest either running Stockpile, as Eon suggested, or possibly a Curse set, but I think Stockpile fits better. If not, you're probably better off replacing Cradily with something else.
Gyarados - Gyarados is Gyarados. A threatening part in the metagame. I do second using a Dragon Dance set over your current one, both the bulky version and offensive version can work for you; pick your poison. Also your current spread is unusual; you max Speed, and split HP and Attack. Aim for a certain amount of HP, be it for a Leftovers or Life Orb number, or to tank a certain hit. Go for a speed benchmark, and dump the rest in attack (though in some cases, you may want some defenses to take certain hits). Oh, also, Gyarados doesn't learn Crunch; it has access to Bite, but that has significantly less base power.
As A Whole
Threats to your team:
-LO Starmie
-Offensive CM Suicune
-Possibly Waters in general.
-SD Lucario
-Being outsped
-Stealth Rock
Just looking at that list explains my introduction. Very commonly used Pokemon, and even moves, can be problematic for your team.
LO Starmie wrecks stuff up. Your whole team is completely outsped, and at least 2HKO'd (most are OHKO'd), except for Cradily, who has a chance of surviving a second hit. So long as it can get in safely, your Cradily can stall out Hydro Pump (and rack up Life Orb damage), but Starmie is free to switch out and cause more havoc on a later turn. For this reason, I highly suggest running Stockpile, so that you can at least take advantage of it switching out. Also if it gets in safely, Dusknoir can try to Destiny Bond Starmie, but once again, it can switch out, or possibly stall with Rapid Spin. (xD) Honchkrow is outsped, but if you run Sucker Punch, you can
beat it to the punch. (//pun) Being locked into Sucker Punch is very dangerous though, so again, I recommend the Life Orb set. However, for each of these, you'd probably have to sacrifice a Pokemon, though you can bait a Thunderbolt by sending out Gyarados, which Cradily can switch into.
Suicune's very simiar to Starmie, except that it can setup Calm Minds, making it potentially more dangerous. After a single Calm Mind (which can easily be setup on against Gyarados, possibly Dusknoir, though Confuse Ray could mess Suicune up (but that's an unreliable strategy), and possibly Honchkrow, with proper prediction). Again, Cradily is probably your best bet, as Toxic severely cripples Suicune, but you have to get in safely.
A funny little thing is that your Gyarados is your lone water resist, but Gyarados has problems against opposing waters (particularly bulky ones). Starmie has Thunderbolt, Suicune has HP Electric, Vaporeon has HP Electric or Toxic or even Roar, and the list goes on. After taking out Gyarados, water types are free to
rain down on you with Surfs and Hydro Pumps and Waterfalls. Cradily can take hits to an extent, and has Toxic to cripple waters, but your opponent can simply switch into a hard-hitting Fighting or Bug user, or reply with a Toxic of their own.
Swords Dance Lucario can set up on Cradily or Choice-Locked Honchkrow (again, go LO), and rip through your entire team. Actually, for four of your members, it doesn't even need to set up to OHKO. The two that do require setup are Dusknoir and Gyarados. If setup, and depending on whether it has Crunch or Stone Edge (the rare Bullet Punch variants will be easier for you to handle, since both Dusknoir and Gyarados can deal with it), either could be KO'd as well. Not to mention, Lucario is often paired with teammates who can take out Flying types and Ghosts.
Also, outside of Aerodactyl, who's not lasting long, your fastest Pokemon is Gyarados, who sits at 81 base. That's not very fast, which means you're very prone to getting revenge killed, and on your own side, you lack a dedicated revenge killer. A scarf user, or strong priority user is essential for finishing off weakened foes.
And finally, Stealth Rock. Quite possibly the one move that nearly every team has in common. Baton Pass chains and some weather teams may forgo it, but take an average team at random, and it probably has Stealth Rock. For good reason too; it hits nearly every (grr, Magic Guard) Pokemon for at least some damage for just switching in! The Pokemon that are arguably your main sweepers, Honchkrow and Gyarados, are both weak to Stealth Rock, meaning they take 25% damage switching in. Moreover you have very little to prevent Stealth Rock from being up on your side of the field. Sure, early game, Aerodactyl can Taunt to prevent it from being set up, but it won't be there mid game to stop it, and you've got no Rapid Spin support.
What to Change?
That looks like a lot to cover, but with the following two changes, I think it can work out:
Starmie @ Life Orb
Ability: Natural Cure
Nature: Timid
EVs: 252 SpA / 4 SpD / 252 Spe
-Hydro Pump
-Ice Beam
-Thunderbolt
-Rapid Spin
Put Starmie over Aerodactyl in the lead spot. It has the ability to beat many other leads with its powerful attacks, and can Rapid Spin away any hazards, particularly stealth rock which can hamper your team. Starmie also helps against the likes of Infernape, and Scizor to an extent. Hydro Pump is an obligatory STAB, and it hits like a Starmie's Hydro Pump. Serious stuff. Ice Beam and Thunderbolt for the famed BoltBeam combo, which provides excellent coverage alongside water. Rapid Spin to of course spin away hazards.
And...
Rotom-H @ Choice Scarf
Ability: Levitate
Nature: Timid
EVs: 252 SpA / 4 SpD / 252 Spe
-Overheat
-Thunderbolt
-Shadow Ball
-Trick
Use Rotom-H over Dusknoir. This gives you a much needed revenge killer, and allows you to check the likes of SD Lucario and DD Gyarados, among other things. Overheat is Rotom-H's signature move, and it deals with Lucario, Scizor, and other steels. Thunderbolt is a good STAB that can help you with water types. Shadow Ball is mostly filler, but it's a secondary STAB, and has its uses. Trick can cripple walls like Blissey.
There are a couple of smaller things to consider.
As mentioned I don't know how many times in this post, I'd try out the LO Honchkrow set, because switching attacks is invaluable, and Honchkrow can actually act as an effective mixed attacker.
Mentioned this before too, but Gyarados will probably serve you better as a Dragon Dancer as opposed to your current set.
Also previously mentioned, you might want to use Stockpile over Stealth Rock on Cradily. This makes it more effective at walling and stalling. Of course, that means you're without Stealth Rock. So...
Magnezone is a bit redundant with the Starmie and Rotom-H, and Scizor, who would probably be the biggest threat to your team Magnezone beats, is well covered already. You might want consider another steel, such as Metagross, who can set up Stealth Rock. Having a Steel is important because it's the only type that resists Dragon, and Dragon is a very popular, not to mention strong, attacking type. Metagross has great synergy with Starmie, beating the leads that Starmie can't, such as Machamp and Roserade, while also setting up stealth rock.
TL;DR
Normally I hate summarizing, people should read the whole post to know why what was said, was said. But with all I typed, I think it was necessary to make a little list of all the suggestions so something isn't missed.
Major Changes:
-LO Starmie over Aerodactyl in lead.
-Scarf Rotom-H over Dusknoir.
Lesser/Changes to Consider:
-DD Gyarados variant over current set.
-LO Honchkrow over current set.
-Stockpile on Cradily over Stealth Rock.
-Metagross over Magnezone.
Wow, looking over this, I think I went overkill. x_x
If anywhere in the post I sound rude, I apologize, that's not what I mean by any of it, I'm just trying to help you out, which, by the way, I hope this post helped.
