Legendary, basic, and snow are supertypes, not card types
to be one of Cormela's favorites is to be the talk of New Capenna

Akoum Firebird Amethyst Dragon Amethyst Dragon Archwing Dragon Arclight Phoenix Artistic Process Bloodfeather Phoenix Bloodsworn Steward Bogardan Dragonheart Brimstone Dragon Cam and Farrik, Havoc Duo Cavern-Hoard Dragon Chandra's Phoenix Chaos Dragon Chiss-Goria, Forge Tyrant Conquering Manticore Detective's Phoenix Draconautics Engineer Draconic Destiny Dracosaur Auxiliary Dragon Tempest Dragonwing Glider Emissary of Grudges Experimental Armor Falkenrath Marauders Flame-Wreathed Phoenix Flamewake Phoenix Furygale Flocking Galvanizing Sawship Glorybringer Goddric, Cloaked Reveler Goldnight Castigator Goldspan Dragon Goro-Goro, Disciple of Ryusei Harried Dronesmith Hell's Thunder Hellkite Charger Hellkite Courser Hellkite Igniter Hobgoblin, Mantled Marauder Human Torch Hunted Dragon Impetuous Sunchaser Inferno of the Star Mounts Jack of Hearts, Volatile Hero Jaya's Phoenix Khorvath Brightflame Kuldotha Phoenix Lightning Phoenix Lightning Shrieker Living Lightning, Charged Up Loyal Apprentice Magda, the Hoardmaster Manaform Hellkite Mizzix, Replica Rider Nalfeshnee Nova Hellkite Ore-Scale Guardian Phoenix Chick Phoenix of Ash Predator Dragon Pyreswipe Hawk Realm-Scorcher Hellkite Rekindling Phoenix Retriever Phoenix Rorix Bladewing Sarkhan, the Dragonspeaker Shivan Branch-Burner Shivan Devastator Skarrgan Hellkite Skyfire Phoenix Skyship Stalker

If a vanguard card would leave the command zone, it remains in the command zone
Even if your commanders provides some protection like Asmoranomardicadaistinaculdacar does, you shouldn't rely on it to clear the table