Porygon2

Porygon2 is one of the bulkiest Pokemon in the format with Eviolite, which allows it to set up Trick Room for it and its partners and beat most Pokemon in the format one-on-one with Recover. With a Download Special Attack boost, it is able to OHKO Pokemon such as the Landorus formes, Tornadus, and Dragonite with Ice Beam.

Porygon2 appreciates redirection, damage reduction, and Fake Out support to set up Trick Room and to allow it to Recover safely, making Amoonguss, Ogerpon-W, Gouging Fire, and Incineroar excellent partners. Amoonguss especially benefits from Trick Room, since it is able to utilize its low Speed under Trick Room to incapacitate foes with Spore. Ursaluna is also a great partner for Porygon2, since, as a slow and offensive Pokemon, it appreciates Trick Room letting it deal great damage to faster foes that threaten it outside of Trick Room like Flutter Mane and Urshifu. This damage output is something that Porygon2 lacks.

Porygon2 struggles against Snarl, Taunt, Amoonguss, Incineroar, and Urshifu. Snarl makes it deal significantly less damage, which allows opponents to ignore it without being punished. Taunt removes valuable options from Porygon2 such as Trick Room and Recover. Spore from Amoonguss can stop Trick Room setups and makes Porygon2 vulnerable to strong attacks such as Close Combat from Urshifu, Moonblast from Flutter Mane, and Sacred Sword from Chien-Pao without being able to heal the damage off with Recover. Amoonguss also underspeeds Porygon2, punishing Trick Room setups, meaning that once Trick Room is set up, Amoonguss can Spore Porygon2 before it attacks, removing its access to recovery and damage. Incineroar pressures Fake Out, which helps stop Trick Room. Additionally, Incineroar can use Knock Off to remove the Eviolite from Porygon2, making it easier to KO. Finally, Urshifu can threaten Porygon2 with a 2HKO with Close Combat if Porygon2 does not Terastallize.