Defender only prevents the creature from being declared as an attacker, which doesnt happen with fight effects like Ancient Animus, Pit Fight, and Longstalk Brawl
9 Attribute Strike Block Icon 2 Effect [On Your Opponent's Attack] [Once Per Turn] DON
It's part of a rather forgettable trio and has never been competitively relevant
The four Star Trek Commander decks carry the following names and color identities: Federation Fleet - Jeskai (Blue, White, Red) Landing Party - Bant (Green, White, Blue) Klingon Fury - Mardu (Red, White, Black) We Are The Borg - Esper (White, Blue, Black) We can make a fairly simple assumption based on the box art which character is going to be the lead Commander for each deck, but it's notable that each box only features one character, when often those who are featured also represent the backup Commander for each precon
Red Mass Chaos Effects This is a non-exhaustive list of a very particular class of cards, best known for the audible groans that often accompany them
In my opinion this is the best way to organize and even separate specific cards so you dont lose them