Standard/regional:

aron -> lairon -> aggron: treecko -> grovyle -> sceptile: bagon -> shelgon -> salamence: totodile -> croconaw -> feraligatr: larvitar -> pupitar -> tyranitar: turtwig -> grotle -> torterra: drowzee (regional) -> hypno (regional): gible -> gabite -> garchomp: snover (regional) -> abomasnow (regional): rhyhorn -> rhydon -> rhyperior:

Add picks:

Uncommon: grimer -> muk: tangela -> tangrowth: cranidos -> rampardos:

Rare: makuhita -> hariyama: galarian_yamask (regional) -> runerigus (regional): elgyem -> beheeyem: phantump -> trevenant: crabrawler -> crabominable: chewtle -> drednaw:

Epic: sneasel -> weavile: hisui_sneasel (regional) -> sneasler (regional): wimpod -> golisopod:

Hatches: sandile:

Uniques:

kangaskhan:

mawile:

seviper:

carnivine:

druddigon:

Legendaries:

mewtwo:

kyogre:

groudon:

guzzlord:

regidrago: