Kydele, Chosen of Kruphix might not seem really powerful, but being able to run additional draw spells to try to set yourself up to be able to tap Kydele, make some extra mana, and then cast the 8-CMC Brinelin makes sense to me
They held up better to the shuffle test and seem like a fairly good budget option for sleeving
As a result, even though Rasaad doesn't offer any blink ability of his own, pairing him with Candlekeep Sage allows you to take advantage of a whole slew of blink cards in order to provide your deck with a reliable draw engine, thanks to Candlekeep Sage
A different spin on enchantress decks, Anikthea cares about getting enchantments into the graveyard and can make them into 3/3 zombies, too
The tradeoff is that an opponent gains control of the Chimera and poses the same problem for you