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This team helped me relatively well in the low ladder parts of OU, although I have little to no experience with Gen 7 OU so this team probably isn't the greatest.
Thanks for reading
Trigoniggatry (Necrozma) @ Leftovers
Ability: Prism Armor
EVs: 252 HP / 252 SpA / 4 SpD
Quiet Nature
IVs: 0...