While it lacks the polish that Blizzard money brings to Hearthstone - or Wizards of the Coast money to Magic Arena - the layout is clean, easily legible and an excellent proof of concept for what an officially supported digital app might look like
This allows the game to frequently change worlds so as to renew its mechanical inspiration, while maintaining planeswalkers as recurrent, common elements across worlds
Baneslayer Angel isn't on my list, but guess what
Wide boards filled with low-cost characters can sometimes get stuck waiting for the perfect turn to quest, but Kida creates opportunities to quest with weak characters multiple times, because the opponent can't punish you with their own characters
Throne of Eldraine & Theros Beyond Death
Couple this with the cards pull rate and you begin to understand just what we are dealing with