With cards, people already know the characters to some extent, and they have personal feelings and attachments from playing the games, so you have to make sure there's no disconnect between the pieces and people's expectations
There are interesting cards for Commander like Gollum, Scheming Guide, Sauron, the Lidless Eye, and The Balrog, Flame of Udn
There are more than 15 Disney Lorcana starter decks out there, each mixing different ink colors and playstyles
Of course, Boromir can also sacrifice himself to give creatures that you control indestructible until end of turn a nd make the Ring tempt you
Being marked as a l'Cie means that they're treated as enemies of Cocoon and are to be wiped out
Not getting the Ward on your opponents turn is disappointing, but bringing back your best Summon and getting a 3/5 in the bargain for five is very solid