The only limitation I can see is that consumers have to choose whether to display the playable cards or the art cards, but not both
Ishai, Ojutai Dragonspeaker gets better the more opponents you play with
Now You Know Cabal Torment is the set showcasing the color black, and I'd say it did so very successfully given how the most valuable cards from the set are from that color
That customization means every game plays out a little differently and makes Magic the deepest strategy card game there is
Incorrect Name/Language These don't seem to occur all that often but apparently there was a big issue with German Mercadian Masques foils where several cards had the same name (but only on the foil version)
It can give itself lifelink so you can get some quick and easy life, it can give another powerful creature lifelink for even more quick and easy life, or it can give a blocked creature deathtouch so it's guaranteed to take a creature down