Estrid is a classic for a reason, and if you like a little blue in your decks, shes still a great pick
(Plus, it's only a one-of, so cutting it wouldn't really reduce the deck's cost meaningfully anyway.) The one rare that can be cut is Castle Locthwain, which, as we discussed, is very good and, outside of costing some wildcards, is mostly a free-roll in the deck but not all that important
Pinkie Pie looks for smiles in art and party effects, Princess Twilight Sparkle cares about creature types, Rainbow Dash looks for haste and flying, Rarity and Applejack care about toys, and Fluttershy looks for tails
Knight tribal would best be put in the hands of Commanders like Aryel, Knight of Windgrace, Sylvia Brightspear & Khorvath Brightflame, or big daddy Edgar Markov with a vampire-knight tribal approach
It remains unclear whether the character in the art is chasing a terrified Shelley Duvall or an MTG character thats more prepared for the fight
Frequently Asked Questions How much is Noctis, Prince of Lucis worth