Add in the low supply of many Reserved List cards (which occasionally allows sellers to manipulate the headline price number by listing a copy at an unrealistically high price point, which is how we ended up with Moat at $100,000 this week, even with a BSG 9.5 copy for sale at $3,400 and a played copy at $1,500), and the headline price of a card tends to overstate the price that you can actually get the card for, if you are willing to lower your standards a bit
Never rely on a single alt-wincon hold protection, or pair it with the drain package as a backup
Blood Artist Blood Artist is an aristocrats best friend, so to speak
If you have a way to exile it from the graveyard before the persist ability resolves, say with Scavenging Ooze, you can fizzle the ability to prevent the creature from coming back
Expect some fun artifact interactions in this deck, too