The background mechanic and card type introduced in Battle for Baldurs Gate allow for a degree of interesting customization that I feel wouldwith some more iterationsbe excellent in Commander, and would allow you to really take advantage of the fantasy of leading your deck, especially in heroic crossover settings like this
The second is more short term, based on the fact that UW Flash and GB Delirium currently make up about 50% of the Standard meta, which is a historically high metagame share, and cards like Archangel Avacyn, Spell Queller, and Emrakul, the Promised End have the ability to invalidate entire archetypes all by themselves, especially in our current answer-lite Standard
Wrap Up Voltaic Servant | Illustration by Jonas De Ro I often find infinite combos ruled out by Rule 0 conversations at EDH tables, and that makes sense
There's so much value concentrated in one card that it sells for more than half of a play booster box
Get a life
While I have yet to dabble into the collectible Magic: The Gathering market myself, these would be the kind of cards that would entice me