ultra pro mtg card sleeves March of the Machine Gimbal, Gremlin Prodigy Standard Deck Protector (100ct) for Magic: The Gathering Sized for standard size trading cards measuring 2.5 in 30th Anniversary Standard Deck Protector

The newest Universes Beyond set from Magic: The Gathering (MTG) is Marvel Super Heroes and it might do the trick

If you were to have a land type count as that color instead, you would allow Mtenda Lions and such, but disallow many more things

What gets at the heart of Commander

Card Set(s) -Memorial Collection- [EB-01] CARD VIEW EB01-054 | R | CHARACTER Gan.Fall Attribute Slash Block icon 2 Effect [Blocker] (After your opponent declares an attack, you may rest this card to make it the new target of the attack.) [On Play] If your opponent has 1 or less Life cards, K.O

Are you relatively new to Magic but picked up the game using Commander decks