You can get legally shiny Galarian Articuno, Zapdos, and Moltres

Pokemon TCG: Crown Zenith Tin – Galarian Articuno (1 Foil Card & 5 Booster Packs) : Toys & Games

Pokemon GO Shiny Galarian legendary birds guide

Pokémon Global News - Shiny Galarian Articuno, Zapdos and Moltres will be giving to participates of the upcoming International Challenges competition on Pokémon Sword & Shield —- International Challenge February - Registration

POKEMON SWORD & Shield - Event Shiny Galarian Articuno - Zapdos - Moltres £3.00 - PicClick UK

Galarian Zapdos (Pokémon GO): Stats, Moves, Counters, Evolution

Galarian Articuno, Official Website

How to catch the new Galarian Legendary Birds in Pokémon GO

HOW TO GET SHINY GALARIAN Articuno, Zapdos, and Moltres in Pokemon Sword/Shield

Galarian Zapdos (Pokémon GO): Stats, Moves, Counters, Evolution

Shiny Pokémon, Pokémon Wiki

Galarian Articuno - Moveset & Best Build for Ranked Battle

Pokemon Sword and Shield to give out Shiny Galarian Legendary Birds

How to Catch Roaming Legendary Birds - Articuno, Zapdos, Moltres - Pokemon Sword and Shield Guide - IGN

Pokemon Sword and Shield': International Challenges to Join to Catch Shiny Galarian Zapdos, Moltres, and Articuno

Pokemon Sword and Shield: How to catch Galarian Moltres - Millenium