Yes, a precious few cards grant flashback to your spells in the graveyard, some with restrictions on the type of card that can be flashed back
While the lawsuit goes to great lengths to show the ways in which Lorcana resembles the as-yet-unreleased Upper Deck title, game mechanics, generally, are not protectable by copyright law
In the latter two, the prowess two-drop is the main appeal, with disguise being a pleasant upside
For example, if a player wanted to have a deck with a focus on Musketeers, they could combine Steel and Amber, which would allow Musketeer Mickey (Steel) to buff Musketeer Goofy (Amber) as his ability buffs all other Musketeer cards, regardless of ink type
Apart from the 6 basic lands, a commander deck may not contain double cards and in the choice of cards for the deck you are also limited to the colors of your commander
Armored Ascension