Prankster

Selectable — one of up to three, and only one is active.

Meowth Normal BST290Ditto Normal BST288Eevee Normal BST325Spinarak Bug Poison BST250Togepi Fairy BST245Aipom Normal BST360Murkrow Dark Flying BST405Misdreavus Ghost BST435Delibird Ice Flying BST330Smeargle Normal BST250Sableye Dark Ghost BST380Volbeat Bug BST430Cacnea Grass BST335Banette Ghost BST455Mismagius Ghost BST495Mime Jr. Psychic Fairy BST310Chatot Normal Flying BST411Riolu Fighting BST285Liepard Dark BST446Panpour Water BST316Simipour Water BST498Cottonee Grass Fairy BST280Whimsicott Grass Fairy BST480Espurr Psychic BST355Meowstic Psychic BST466Popplio Water BST320Oricorio Fire Flying BST476Bounsweet Grass BST210Oranguru Normal Psychic BST490Komala Normal BST480Mimikyu Ghost Fairy BST476Blacephalon Fire Ghost BST570Drizzile Water BST420Impidimp Dark Fairy BST265Morgrem Dark Fairy BST370Grimmsnarl Dark Fairy BST510Mr. Rime Ice Psychic BST520SableyeMega Dark Ghost BST480SableyeMega Dark Ghost BST480SableyeMega Dark Ghost BST480MeowthAlolan Dark BST290PersianAlolan Dark BST440Mr. MimeGalarian Ice Psychic BST460Shroodle Poison Normal BST290Grafaiai Poison Normal BST485Gholdengo Steel Ghost BST550Munkidori Poison Psychic BST555Ogerpon Grass BST550GrimmsnarlGigantamax Dark Fairy BST510?FroslassMega Ice Ghost BST580?MeowsticM Mega Psychic BST566?MeowsticF Mega Psychic BST566Cacjack Grass Dark BST555Orchestot Normal Flying BST531Hypnocroak Poison Psychic BST530Wispywaspy Bug Ghost BST175EeveePartner Mega Normal BST535CinccinoRedux Ice Fairy BST470

Always on, alongside whichever main ability is chosen.

Haunter Ghost Poison BST405Mew Psychic BST600Illumise Bug BST430Chimchar Fire BST309Monferno Fire Fighting BST405Purrloin Dark BST281Pansear Fire BST316Simisear Fire BST498Tornadus Flying BST580Thundurus Electric Flying BST580Meloetta Normal Psychic BST600Klefki Steel Fairy BST470Hoopa Psychic Ghost BST600BanetteMega Ghost BST555Gimmighoul Ghost BST300Fezandipiti Poison Fairy BST555Krampird Ice BST535