Kaalia, Zenith Seeker plays a bit slower, but it keeps the threats flowing by digging six cards deep and refilling your hand with angels, demons, and of course dragons
It's a perfect foil to cards like Doubling Season and disrupts intricate combos centered around triggers, like those involving Zulaport Cutthroat
It's trivial for Craig Boone to snowball to be able to remove any creature on the battlefield, letting it take care of any threat
Getting to Brisela and the new mechanic meld, heres the link to the Eldritch Moon mechanic guide, but to make a long story short: the two physical Angel cards form their Final Fantasy boss-esque Eldrazi hybrid
Chroma wasnt popular because it didnt have any good cards and the flavor didnt quite make sense, but devotion has turned into one of the more popular mechanics in the game