The three blue might be a little heavy in three-plus-color decks
I will say that Compy Swarm suffers a lot for being green, given that Sacrifice themes dont always go into green, so your Golgari deck will more often rely on killing your opponents creatures to double your Compy Swarms
Not just because its an almost-$20 card, but it may signal future Commander 2020 reprints
If the spell has an X whose value was determined as it was cast (like Fireball does), the copy has the same value of X
Youll want to be jamming with Yuna, Hope of Spira (just like the potential new best deck in Standard!), use Sanctum Weaver for big mana plays, and take advantage of the many enchantress card draw options, from Sythis, Harvests Hand to Enchantresss Presence
That being said, I wouldnt at all be surprised if Wizards reveals even more last-minute spoilers later today