mtg modern horizons 3 most valuable cards Too Big for a Top 10: — PlayEDH MTG's 10 Best Modern Horizons

Since your theme is self-mill, I also really like The Master, Transcendent which is in your Sideboard

Robotics Mastery Rating: 6/10 While I do dislike auras in general, auras that have a high potential to trade for a card the moment you play them are definitely worth another look

While it may not seem like much of an upgrade, this additional discard and draw really shines in decks that want to discard plenty of cards

Before: [Counter] Your Leader or 1 of your Characters gains +4000 power during this battle

You don't care what happens to the permanent, but you'll get all the coin flips you could possibly need

Thats a pretty good exchange but your devotions never just six