You need to combine Duress with Go Blank in order to fight them, which most of the black decks tend to do
That will fit a lot of decks, but what happens in the next chapter is that you get two rounds of a pseudo Council's Judgment, and that's a pretty strong effect
If you are able to pick up the right pieces for the green-blue-black mill-yourself deck (which should be relatively easy to do if you see yourself getting passed late Mulches and Dream Twists), then you will be in a great position to go undefeated in your draft
Hammer gets sold by the playset, for once, and even with the quantities that are likely for this drop, this Hammer will be in demand
Even if it hadn't opened up the possibility of infinite turns before your opponent had finished his second one, the Vault's power was obvious
And just what I thought about briefly