Metagross, one of the 2 pseudo-legendaries introduced in Generation 3. As anyone who has fought Steven can attest, this thing is a monster.
Metagross took a heavy hit this last generational shift. With Steel no longer resisting Dark and Ghost, Metagross’ weaknesses just doubled. In additional the generational power creep has left Metagross flailing behind more popular sweepers. That doesn’t mean Metagross is a pushover. Oh no. Metagross is still a terror to face. 135 ATK is far more than passable and Metagross’ signature move (yeah I know other stuff can use it, but Metagross is by far the best user) Meteor Mash in addition to doing insane damage has a chance of buffing that to even higher levels. Defensively, Metagross is no slouch either: 80/130/90 defenses are definitely above average and 8 resistances + 1 immunity due to its typing meaning Metagross can wall and tank many assaults. Unfortunately not all is sunshine and roses for the killing machine. Its SATK, while usable, pales in comparison to its ATK, but a base 70 speed is horrific, ensuring that Metagross is readily outsped in and out of Trick Room. In addition, 3 of its weaknesses (Ground, Ghost and Dark) are very common in today’s metagame ensuring that almost every team has several ways of dealing with Metagross. But without such attackers, the possibility of being routed by Metagross skyrockets.
Omega
Metagross (Clear Body)
Item: Life Orb/Leftovers/Lum Berry
-Meteor Mash
-Earthquake
-Agility/Rock Polish
-Pursuit/Zen Headbutt/Ice Punch/Thunder Punch/Rock Slide
Nature: Adamant (+ATK, -SATK) or Jolly (+SPD, -SATK)
EVs: 252 ATK/252 SPD/4 HP OR 252 ATK/252 HP/4 SPD
FFV reference anyone? No? Agiligross, as this set is more commonly referred to patches up Metagross’ one weakness in its stats: its speed. After a single Agility/Rock Polish, Metagross outspeeds almost everything that isn’t Scarfed, or speed boosting, allowing you to smash and tank attacks with impunity. Meteor Mash is a powerful, ATK boosting STAB move. What’s not to love? (ok, maybe the less than stellar accuracy). Earthquake. Your final move is up to preference. Pursuit allows you to deal with things that flee, Zen Headbutt is secondary STAB that flinches, Ice Punch and Thunder Punch, while weak, offer great coverage, and Rock Slide is basically a non-STAB Zen Headbutt with excellent coverage.
Terminator
Metagross (Clear Body)
Item: Choice Band/Choice Scarf
-Meteor Mash
-Earthquake
-Pursuit
-Trick
Nature: Adamant (+ATK, -SATK) or Jolly (+SPD, -SATK)
EVs: 252 ATK/252 SPD/4 HP OR 252 ATK/252 HP/4 SPD
Choicegross or Scarfgross. Very similar, yet very different. Choicegross is a wall breaker, using its crushing power to muscle past walls. Scarfgross is a revenge killer, striking down weakened targets sans fear of retaliation. Meteor Mash is a fantastic STAB, Earthquake is Earthquake and Metagross provokes a lot of switching, especially when Choiced making Pursuit Ideal. Trick can neuter one target and opens up Metagross’ options.
Other Options
Stealth Rock
-Best Move in the Game
Bullet Punch
-STAB Priority? Sign me up.
Gravity
-Lots of hijinks to be had with this one
Hammer Arm
-Most powerful Fighting attack Metagross has.
Assault Vest
-Patch up Metagross' biggest weakness
Countering Metagross
Kill it with Fire. Not only is Metagross weak to Fire attacks, aside from the freak Special Metagross, all Metagross rely extensively on their physical attacks and bulk. Burning Metagross robs it of both of those attributes. Special volleys are also ideal, as Metagross' SDEF can't stand some of the harder hitters in the tier, though Assault Vest users can take a hit or two. Be warned though, that after an Agility/Rock Polish, Metagross is fairly difficult to outspeed without employing a similar tactic. Aegislash has a potent STAB Shadow Ball and Shadow Sneak, though be warned that Earthquake will still take over half of the Shield form's HP. Skarmory can take everything except Thunderpunch (which 4HKOs) but can't do much in turn. Paralyzing Agility varients, while not as effective as burning, make those varients much more manageable. Beyond Leftovers and Rest, Metagross has no recovery, so repeated assaults will wear it down.