Wizards of the Coast has made a significant move towards producing more collaborative sets with existing franchises, particularly following very notable sets like The Lord of the Rings and Fallout over the last few years
Its a casual build around for EDH decks with only cats, beasts, elementals, and the like
But I think each of them could have a colored box around their name or card type, and it wouldnt make the cards any less attractive
Each possesses different abilities, skills, rewards, and classifications
This is what I like to call the " Time Spiral Problem." How do you let people enjoy their nostalgia without alienating everyone else
For example, when casting Klauth's Will, you must always pay , but you can make whatever you want it to be, so long as you actually have that much mana to spend