Not only are you giving Arcee counters to deal damage with, but youre generating tokens with each cantrip cast
The second is Grimoire
First: You hit your own nontokens, but you can mitigate that with a well-timed protection spell
I saw arguments that the color was too focused on countering other players actions rather than actually playing to win, but what took me some time to realize was that everybody loves sharing their hatred toward Blue until they are using that color themselves
If you're playing a Winter, Misanthropic Guide EDH deck, then wverybody gets to draw two cards a turn, but if you have delirium, you get to cap their maximum hand size, so people will hate you for playing it
In real games, Ghoulcaller Gisa enables sudden board swings