For example, if you control Selvala (a 4/5 creature), a 1/1 creature, and a 2/1 creature, there are three different powers among creatures you control
This is amazing in +1/+1 counter brews since you can get increases, and then move counters here for more Fogs with Spikes, or for things like Experiment Kraj in your Simic +1/+1 Commander brew
They have a straightforward buylist system where you can quickly find the cards theyre interested in and the prices theyre willing to pay
Unfortunately, I'm not sure we're going to see Wizards of the Coast explore this or other Buyback design space much in the future
Lining up your collection by elemental typeall the Fire, Water, and Grass Pokmon grouped togetheris popular for a reason: it just feels right