Twelve loyalty is so much, even with all your planeswalkers proliferating, and picking them off to take the extra turns weakens your board since your superfriends deck ostensibly wants those extra turns to activate its planeswalkers again
Thats sweet, but dont forget that card draw
To help keep Standard fresh, sets that have been in Standard for longer than a year "rotate out" to make room for another year's worth of Magic sets
For us, the card reinforced that sometimes the landscape of Commander changes, and what might have been problematic in one era wasnt as much of an issue in another
Demilich If I had a magic time machine and could make one change to the game, I'd make Liches Skeletons, not Zombies, for flavor purposes, and I'm glad to see that Demilich at least plays into that canon nicely enough