Unsurprisingly, basically all of these are Bird-Typal decks helmed by Kastral, the Windcrested and Derevi, Empyrial Tactician
This ability overwrites a permanents card types and its creature types, but not its supertypes
This not only locks commanders out if they haven't been cast yet, but also prevents casting spells from the graveyard or from exile
Hoofprints of the Stag Hoofprints of the Stag has been reprinted in multiple Commander precons now as a payoff for card draw that can eventually lead to bodies on the battlefield
Captain, Colonel's Lieutenant, and Rapunzel, Letting Down Her Hair with more Evasives: Tigger, Wonderful Thing
Making sure that you have a good number of them before everyone starts looking for them means youll have more opportunities to get a card in play during your first turn