The types seem random as this mechanic cares about a supertype, regular type, and subtype
Tidus lets you move counters around characters, and then when you do combat damage to a player you get to draw cards and proliferate
Mai, Scornful Striker might be sideboard material at best, but I expect it to matter a ton against spell-based matchups
Well, okay, it doesnt revive any Angels, but thats a significantly less populous group of creatures than all fliers
I would encourage you to take a look at each creature on this list and decide which is most appealing to you and your specific playstyle, instead of assuming that the one at the top will automatically be the best for you personally
Whatever your needs, we would love to hear from you