If you hit a one drop, all one-mana cards go back to everyones hands, making it a great way to deal with all sorts of scenarios
Not long ago, Imperial Oath surprised us all by being strong enough to buck this trend, but I dont think The Crystal's Chosen is anywhere near as good
And the white angel gives equipped creatures indestructible on your turn - she's called Zamriel, Seraph of Steel
They're not part of the art, and Juggletron just can't get a grasp on them
The entire premise of this deck is to get creatures out and sacrifice them to take advantage of the deaths by triggering other permanents death triggers
Not only does this let you use your mana very efficiently, but it's also a pseudo-hasty attacker or a surprise blocker in combat