Taken over for Heisenerg
QC: Piccolo Daimao / Uselesscrab / E4 Flint
GP: Misaka Mikoto and Winry / ForgottenOnes and Snobalt
[OVERVIEW]QC: Piccolo Daimao / Uselesscrab / E4 Flint
GP: Misaka Mikoto and Winry / ForgottenOnes and Snobalt

With a recognizably high Attack stat, Mega Mewtwo X is one of the leading physical attackers in Balanced Hackmons. With vast and unpredictable coverage alongside Protean, it is able deal large amounts of damage to most of the metagame with relative ease. However, such power comes at a cost, as it can be difficult to deal with opposing Imposter users, which can transform into Mega Mewtwo X. It can also be rendered extremely ineffective against certain walls such as common Fur Coat users like Giratina.
[SET]
name: Protean
move 1: Precipice Blades / Thousand Arrows
move 2: Bolt Strike / Fusion Bolt
move 3: V-create / Extreme Speed / Sucker Punch / Draco Meteor
move 4: King's Shield
item: Safety Goggles / Life Orb
ability: Protean
nature: Jolly / Naive
EVs: 4 HP / 252 Atk / 252 Spe
[SET COMMENTS]
Moves
========
Precipice Blades defeats many common Pokemon that are weak to Ground, such as Mega Gengar, Mega Diancie, and a plethora of defensive Steel-types, such as Registeel and Aegislash. Thousand Arrows can also be used as a more accurate option; however, the damage output from Precipice Blades is generally preferable. Bolt Strike is another powerful move that complements Ground-type coverage, allowing Mega Mewtwo X to take out Pokemon such as Mega Slowbro and the occasional Flying-types such as Mega Rayquaza, Ho-Oh, and Yveltal. Fusion Bolt is a more accurate alternative; however, similarly to Precipice Blades, the damage output from Bolt Strike is usually superior. V-create is useful for demolishing Pokemon that don't resist Fire-type attacks; however, it must be used sparingly, as the stat drops can easily be taken advantage of by the foe. Extreme Speed functions as a useful priority attack that works best for picking off weakened threats and also overcoming -ate Pokemon while not having to rely on King's Shield to lower their Attack stat. Sucker Punch also acts as a useful priority move for defeating offensive Pokemon that Mega Mewtwo X may struggle to beat, such as Mega Gengar and Protean Mega Mewtwo Y. Draco Meteor hits Dragon-types such as Mega Rayquaza and Giratina hard, especially when boosted by a Life Orb. King's Shield is essential, allowing Mega Mewtwo X to take on super effective priority moves from Pokemon with Aerilate, Pixilate, and Gale Wings; even if the foe doesn't suffer an Attack drop, the Steel typing from Protean allows Mega Mewtwo X to survive priority moves that it otherwise wouldn't.
Set Details
========
The given EV spread maximizes Mega Mewtwo X's offensive presence. A Speed-boosting nature is necessary to outspeed everything that it can. Not only does Protean render an Attack-boosting nature unnecessary, but the occasional Mega Rayquaza, Mega Diancie, and Mega Gengar running Speed-boosting natures can severely put a dent in Mega Mewtwo X without it. As such, a Jolly nature is the most practical choice. If Draco Meteor is being used, a Naive nature should be used, as it gives Mega Mewtwo X a little insulation from physical priority moves and does not lower its Special Attack. The 4 HP EVs should also be moved into Special Attack when using Draco Meteor. Safety Goggles is the safest item choice, allowing Mega Mewtwo X to block Spore from common Prankster users such as Aegislash; it is also especially useful with King's Shield unable to block status ailments. If more power is preferred, Life Orb is the best option to boost the power of all moves.
Usage Tips
========
When facing off against priority users, do not be afraid to use King's Shield. It is almost always the safest option unless it is highly likely the foe will do something that will be problematic, such as use a boosting move or switch to teammate that can defeat Mega Mewtwo X.
Team Options
========
The most important thing to have on your team is a check to your own Mega Mewtwo X in case an Imposter user transforms into it. This check may vary depending on the moves that are chosen; however, bulky Fur Coat users such as Giratina that do not have a weakness to one of Mega Mewtwo X's moves are generally the best option. A check for Giratina is useful if Mega Mewtwo X does not run Draco Meteor, as it will be hard-walled by Giratina otherwise; examples of Giratina checks include Mega Diancie and Mega Gengar. Sturdy Shedinja hard-walls Mega Mewtwo X, as it cannot afford to run moves that deal passive damage such as Infestation without severely limiting its coverage. As such, Pokemon that can eliminate Shedinja, such as Stealth Rock setters and Mold Breaker + Pursuit users, are recommended, such as Clefable and Mega Aggron, etc. Burns and paralysis will completely cripple Mega Mewtwo X, so a cleric such as Umbreon makes for a good teammate.
[STRATEGY COMMENTS]
Other Options
=============
Protean Mega Mewtwo X can effectively run any move that has a useful function; for example, Play Rough, Icicle Crash, and Knock Off can hit non-Fur Coat Giratina sets hard, while a potential Magma Storm could be used for the occasional Shedinja. A Refrigerate set can be used to surprise and defeat Pokemon that are weak to Ice such, as Mega Rayquaza, frail offensive Pokemon, such as Mega Gengar, and non-Fur Coat Giratina. Mold Breaker can be also be used in conjunction with Pursuit to defeat Sturdy Shedinja; Fighting-type STAB moves and an unrivaled Attack stat give Mega Mewtwo X a niche over other Mold Breaker users. U-turn could also be used as a powerful option for pivoting.
Checks and Counters
===================
**Giratina**: Giratina serves as Mega Mewtwo X's greatest check, particularly Fur Coat sets; without Draco Meteor, there is nothing that Mega Mewtwo X can do due to the lack of super effective physical coverage moves available.
**Imposter**: The titanic bulk of Imposter users such as Chansey almost always means that they will defeat Mega Mewtwo X, even if the latter wins the Speed tie. Additionally, if Mega Mewtwo X is unable to check its own Mega Mewtwo X set or if your team's check has fainted, then transformed Imposter users will be free to sweep.
**Shedinja**: Mega Mewtwo X can't afford to run moves that defeat Shedinja without hindering its own coverage against the rest of the metagame.
**Fur Coat**: If the Pokemon running Fur Coat isn't weak to any of Mega Mewtwo X's moves, it will likely be able to check Mega Mewtwo X. Notable examples include Giratina and Mega Audino.
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