Tapu Lele

The incredible ability Psychic Surge allows Tapu Lele to act as a check to Extreme Speed users and gives it the ability to support priority-weak members of its team. Psychic Terrain also gives a potent boost to Psychic-type attacks, which alongside strong STAB moves and an excellent Special Attack stat makes Tapu Lele extremely difficult to switch into and allows it to effectively break defensive cores. However, a low base Speed means it can still be outpaced even with Sticky Web support or Diancite's Speed boost. Tapu Lele's lack of useful coverage options also means it has difficulty dealing with most Steel-type Pokemon, although it can wear them down with powerful resisted attacks.