I don't really play the gens where it's at its best but it was still fairly good in DPP OU and that was a really fun metagame when I played it a little bit a few years back
We knew we wanted the Theros battle to reference enchantments, as it's such a core part of the plane, so we made Ephara into an "enchantress" (a term for a creature that draws you cards when you play enchantments)
For example, the card Fall From Favor had to be banned from the Pauper format because of the warping impact it had on it those freeze effects like it do appear at common rarity, the added bonus of becoming the monarch made it too powerful
This helps you crank out the extra Disenchant you might need for someone's unsavory enchantment plan, or kill an annoying creature, or even let you sink a ton of mana into a Braingeyser to refill your hand
Llanowar Loamspeaker Llanowar Loamspeaker might be the best land animation card to slip into the average deck
Thus leading me to staying at 60 cards