I think Obscura Charm is probably one of the better charms, despite the first mode being less relevant if you dont build around it
I have no idea if this is the case, but the Final Fantasy set feels powerful, and it may have been reshaped to fit into Standard
Its not a useless card, but it doesnt work well at all in the Scions and Spellcraft deck, even if its a noncreature spell
Split Up Board wipes that can offer a tempo swing are seriously good
Legendary Planeswalker - Liliana Sideboard (CTRL to add secondary) Maybeboard Aclazotz, Deepest Betrayal Flying, lifelink Whenever Aclazotz attacks, each opponent discards a card
Decks with cost reduction or token creation can stay closer to 20, while slower builds benefit from higher Angel density to maintain board presence