Imagine cards like Bitterblossom, Jadar, Ghoulcaller of Nephalia, and Ophiomancer just saying create a Treasure every turn or upkeep. Its even an okay card in the face of a board wipe since you get more than enough mana to rebuild afterwards
Combine Kain with something like Homeward Path, and you have an incredibly strong Commander engine
Chaos at the physical location and botting during the online release created a massive bottleneck
Seek effects provide more specific draw, allowing Alchemy players to find what they need rather than just randomly top-decking
Raphael, the Nightwatcher (Showcase, fracture foil) There are plenty of great Raphael cards in the MTG x TMNT set, and the Showcase Fracture Foil variant of Raphael, the Nightwatcher comes in at $280 even