Looking for Swirlix, Lileep, and Piplup.
Main things I can offer in return (all HA, Egg Moves in brackets):
Drilbur
Timburr (Drain Punch, Mach Punch, Detect, Foresight)
Zangoose
Treecko
Torchic
Mudkip
Tyrunt
Shuckle
Cranidos (Iron Head)
Chimchar
Turtwig
Carvanha (Hydro Pump, Destiny Bond, Brine)
Shroomish (Bullet Seed)
Nidoran male or female
Swinub (Icicle Crash)
Whismur
Heracross (alternatively, can offer one with guts and the egg move Rock Blast)
Vulpix
Poliwag
Dratini (Extreme Speed)
Sableye (Recover)
Abra
Gligar
Aerodactyl (Tailwind, Whirlwind, Wide Guard, Assurance)
Corphish (Dragon Dance, Aqua Jet, Superpower, Endeavour)
Helioptile
Chespin
Bunnelby
Riolu (Bullet Punch)
Eevee (Wish, Curse, Stored Power, Tickle)
Magikarp
Staryu
Skrelp (Play Rough, Venom Drench, Toxic Spikes, Haze)
Pidgey (Brave Bird)
Pikachu
Phantump
Karrablast
Tangela
Roggenrola
Tentacool
Murkrow (Psycho Shift, Brave Bird, Feather Dance, Mirror Move)
Minccino
Foongus
Charmander
Grimer
Slowpoke
Bagon
Snorunt
Magnemite
Cyndaquil
Totodile
Chikorita
Roselia
Axew
Main things I can offer in return (all HA, Egg Moves in brackets):
Drilbur
Timburr (Drain Punch, Mach Punch, Detect, Foresight)
Zangoose
Treecko
Torchic
Mudkip
Tyrunt
Shuckle
Cranidos (Iron Head)
Chimchar
Turtwig
Carvanha (Hydro Pump, Destiny Bond, Brine)
Shroomish (Bullet Seed)
Nidoran male or female
Swinub (Icicle Crash)
Whismur
Heracross (alternatively, can offer one with guts and the egg move Rock Blast)
Vulpix
Poliwag
Dratini (Extreme Speed)
Sableye (Recover)
Abra
Gligar
Aerodactyl (Tailwind, Whirlwind, Wide Guard, Assurance)
Corphish (Dragon Dance, Aqua Jet, Superpower, Endeavour)
Helioptile
Chespin
Bunnelby
Riolu (Bullet Punch)
Eevee (Wish, Curse, Stored Power, Tickle)
Magikarp
Staryu
Skrelp (Play Rough, Venom Drench, Toxic Spikes, Haze)
Pidgey (Brave Bird)
Pikachu
Phantump
Karrablast
Tangela
Roggenrola
Tentacool
Murkrow (Psycho Shift, Brave Bird, Feather Dance, Mirror Move)
Minccino
Foongus
Charmander
Grimer
Slowpoke
Bagon
Snorunt
Magnemite
Cyndaquil
Totodile
Chikorita
Roselia
Axew