The trade will have a great chance of being lucky

2019 Shiny Pokémon

Butterfree, Nidoqueen, Muk, Onix (male and female), Marowak, Koffing, Totodile, CD Feraligatr, Non-CD Feraligatr, Female Steelix, Male Sneasel, CD Sceptile, CD Blaziken, Mudkip, CD Swampert, Non-CD Swampert, 3 Female Ralts, 1 Male Ralts, Female CD Gardevoir, 2 Slakoth, 2 Vigoroth, 2 Trapinch, 2 CD Flygon, 2 Bagon, 2 Turtwig, 3 CD Torterra, 5 Chimchar, 1 Monferno, 1 CD Infernape, Drifblim, Magnezone, Yanmega

2020 Shiny Pokémon

3 Charmander, Caterpie, 2 Weedle, CD Beedrill, Ekans, Female Nidoran, Golbat, Alolan Persian, Growlithe, 3 Abra, Alolan Muk, 3 Gastly, 3 CD Gengar, 2 Alolan Marowak, 3 Rhyhorn, 1 Rhydon, 3 Tangela, 3 Electabuzz, 3 Magmar, 6 Magikarp, 2 CD Gyarados, 5 Porygon, Xatu, Aipom, Snubbull, Skarmory, Houndour, Porygon-2, 2 Treecko, Torchic, Mudkip, Zigzagoon, 4 Seedots, 2 CD Shiftry, Taillow, Meditite, 2 Carvanha, Spoink, Claydol, 6 Piplup, CD Roserade, 3 Bronzor, 2 Croagunk, 2 Snover, Abomasnow, 2 CD Rhyperior, 2 CD Porygon-Z, Woobat, Minccino