Here's a good example: This is Hatred
Umbreon ex Special Illustration Rare tops the sets value charts at over $1,195
I found myself opening cards like Tenth District Hero, Sharp-Eyed Rookie, Courser of Kruphix, Protean Hulk, Aura Shards, Guardian Project, and Vannifar, Evolved Enigma - all outstanding Limited cards in their own right
As collectors know, individual card values are not set in stone and they will rise and fall with trends
Bust rate is a poor metric for looking at value, because it doesnt see a difference between a $12 rare and a $60 rare
you may look at the top card of their library any time, you may play the top card of their library, and you may spend mana as though it were mana of any color to cast spells this way. We already wrote about this floating eyeball in-depth, but the long and short of it is that you can always choose the best player for whatever you need, and thats the kind of flexibility you really want in any deck, let alone in your commander