Buy 10 free a Guaranteed 1 Legend Booster Flying Pack.
Each pack give 5 Flying type pokemons!
Potential Legends/UltraBeasts: Articuno, Galarian Articuno, Zapdos, Galarian Zapdos, Moltres, Galarian Moltres, Lugia, Ho-Oh, Rayquaza, Tornadus, Thundurus, Landorus, Yveltal, Enamorus, Celesteela.