Mono-Blue decks trying something similar with Arcanis the Omnipotent showed up in Standard around the release of Foundations, but never really took off
Outside of playability which as a collector, and not a TCG player, I cannot speak to, though I really ought to get on with learning the game already there are a handful of uniquely striking cards in the set
If you're comfortable working through traditional selling apps, check out Alt, TCGPlayer, and eBay
Anytime an opponent does practically anything twice, from attacking with two creatures to drawing a second card, you get to draw a card as well
I made a couple batch scripts to help with installation if you're not savvy with Python, go ahead and run 1_SETUP.bat and it should make a folder called "images" and one called "venv"
Since they're all 2/2s while face-down, it's likely Bane will sweep them all away even if you make X a smaller number