The deck scales smoothly at every investment level
It fits into a lot of Commander decks, is likely to see some play in Standard, and being as modal as it is, its new and amazing
That wouldnt be too much of a problem, but those new Dragons are almost leaking out from Tarkir through Omenpaths, devastating planes that arent used to having nearly as many Dragons pouring in
In order to explain why Theros wasn't that, as well as to explain why a future block of that nature is a real design challenge, I made a podcast talking about it
Surveil is more skill-testing because binning cards is both more powerful than bottom them, but also feels worse (particularly for less experienced players)
Even then, youd rather do something more powerful in that space