Cloud may not be able to cheat anything in, but he does trigger the effects of anything equipped to him an additional time
Given most elf decks rely on mana generation to get value creatures on the board, having Nissa on your side isn't a bad shout
Yes, development spends a lot of time trying to figure out where a set will take the metagame, but by that point the design is already handed off
For the most part, Wizards have triggers that draw cards or annoy the opponent by bouncing things, but Anathemancer goes straight for the heart for a ton of damage
Whenever King of the Oathbreakers or another Spirit you control becomes the target of a spell, it phases out
And once in a while the stars will align and youll get the abilities of something really fun, like a Steel HellkiteSteel Hellkite