Level Up:
* Abomasnow (Ice)
* Beartic (Ice)
* Cloyster (Ice)
* Glaceon (Ice)
* Glalie (Ice)
* Lapras (Water/Ice)
* Mamoswine (Ice/Ground)
* Piloswine (Ice/Ground)
* Vanilluxe (Ice)
* Vanillite (Ice)
* Vanillish (Ice)
TM:
* Avalugg (Ice)
* Articuno (Ice/Flying)
* Aurorus (Rock/Ice)
* Cryogonal (Ice)
* Froslass (Ice/Ghost)
* Galarian Darmanitan (Ice/Fire)
* Garchomp (Dragon/Ground)
* Greninja (Water/Dark)
* Kyurem (Dragon/Ice)
* Landorus-Therian (Ground/Flying)
* Latias (Dragon/Psychic)
* Latios (Dragon/Psychic)
* Lucario (Fighting/Steel)
* Mega Abomasnow (Ice/Grass)
* Mega Glalie (Ice)
* Mega Garchomp (Dragon/Ground)
* Mamoswine (Ice/Ground)
* Ninetails (Ice)
* Omanyte (Rock)
* Omastar (Rock)
* Palkia (Water/Dragon)
* Regice (Ice)
* Sandslash (Ground)
* Snorlax (Normal)
* Weavile (Dark/Ice)
* Zapdos (Electric/Flying)
Breeding:
* Alolan Ninetales (Ice/Fairy)
* Articuno (Ice/Flying)
* Cloyster (Ice)
* Froslass (Ice/Ghost)
* Garchomp (Dragon/Ground)
* Glalie (Ice)
* Lapras (Water/Ice)
* Mamoswine (Ice/Ground)
* Regice (Ice)
* Weavile (Dark/Ice)
Note: Some Pokemon may only learn Blizzard in certain games or through specific methods. It's always a good idea to check a reliable Pokemon database or guide for the most up-to-date information.