Nezumi Graverobber to Nighteyes the Desecrator: You will need to either have one creature in your opponent's graveyard and exile it, or do the exiling and then exile the rest of their graveyard
The floor is a 2-mana copy a spell, which is fine
The one innovation was that, while Innistrad only had DFCs that were a creature on both sides (and one planeswalker on both sides at mythic rare), Dark Ascension had two DFCs that started as artifacts, one of which wasn't even a creature on the back face
As an example, we get 5 mythic rare Phyrexian-language planeswalkers (3%) in the nonfoil slot
Even your slower turns can set up future creatures to enter play already transformed
This drop was themed all around making five of Gatewatch's best kit up and get ready to face Eldrazi in the ultimate showdown, a baseball match