It shines a light on the variety of cards that lay the foundation of your deck and gameplay
Balzer Standard Not Legal Alchemy Not Legal Pioneer Not Legal Historic Not Legal Modern Not Legal Brawl Not Legal Legacy Legal Comp
Because it is a negotiation behavior, you can play assets without a niche attack, even if you are engaged with the enemy, and you can use tactical keywords to be attached to the planned strict and used when needed
1996 Japanese Base Set Pikachu (No Rarity Symbol) BGS 9.5 Recently Sold For $8,999 It is no secret that print errors were common in early sets, and the first print run of Japanese Base Set Pokmon cards in 1996 is no stranger to these errors, known for missing the rarity symbol found in the bottom right corner of a card
I dont know if this qualifies as a design mistake in the eyes of WotC, but theres probably a reason we dont see many cards like Yuriko and Derevi, Empyrial Tactician that bypass commander tax completely