flipywaterboy: Lucario, Butterfree and an eevee.

Use dog, keep fox,

deeceeoh: Darmanitan, Typhlosion, and Volcarona

Use, keep, toss

catgirlfrottage: Chandelure, Reuniclus, Metagross

Toss, keep, use.

mythic-swirl: Aggron, Nidoking, Tyranitar.

Use Aggron, keep Nidoking, toss Tyranitar.

putuksstuff: Dustox, Galvantula, Forretress

Use Galvantula, keep Forretress, toss Dustox.

endarkculi: Three Pokemon? Alright then, let's go with a Grass trio: Lilligant, Maractus, and Cacturne.

Use Liligant, box Cacturne, toss Maractus.