Thought Scour puts a random card into your hand, Opt lets you choose a known card or the mystery box, Sleight of Hand is the same two-card choice with an open mystery box, and Serum Visions lets you keep both or neither of the two cards you see
For starters, you know based on the whole deck vs
Feed the Swarm gives us enchantment hate in black, and if your opponent isnt using enchantments, you also have creature removal
I'm a sucker for life gain, so a cheaper Boon ReflectionBoon Reflection of course piqued my interest
Shroud is a protection that is a double-edge sword, but because this card gives it to all creature until you upkeep, youre using that other edge against your opponents
Your other artifact dorks get +1/+1, so it's a nice Glorius Anthem for artifact creatures in the Command Zone