Narsets loyalty ability is solid, but its a distraction from the egregious static ability, which works like a Spirit of the Labyrinth that doesnt affect you
Izzet Charm is an honest card that fits well into a lot of Cubes and would be near the top of an expanded list for me, but its a lot worse than Expressive Iteration at actually getting players to draft Izzet
If I had Platinum Angel in play it would be another matter entirely, because Platinum Angel states that I cant lose and my opponents cant win the game
Pack #2 Light Blue Nothing special here just another coloring page
Seek is versatile enough that youre always getting something you need, but it wont fail like look at the top x cards. You wont have the tutor problem where games get scripted because theres always a combo to get
While the reason for all these arguments has been mechanical (to keep the game fun and balanced), the arguments themselves (both for and against) have mostly been based in flavor