There arent a ton of decks whose mana includes easy Azorius access these days, but Meddling Mage is a good way to diversify your hate cards in the face of counter-hate
I tried putting together a decklist that combined Esika, Kinnan, and Kolvori and couldnt come up with anything satisfying quite yet, but it feels like its only a couple of legendary creatures away from being able to do some disgusting things, so keep your eyes open as preview season continues to find out whether such a deck can become a reality
Unless you have a specific personal reason to buy right now -- say, you pulled a second copy at prerelease and want a display piece -- there's no financial case for week 1 prices
You can just use opaque normal-sized sleeves for your deck
Goblin Anarchomancer is a little questionable since discounting mana costs to cheat Prossh onto the battlefield a turn earlier means that youll make one fewer Kobold, but discounting so many other spells has kept it in my list so far