The first set of the block (in this case, Innistrad ) unleashed a potentially devastating themein this instance, graveyard-based synergies
Conspiracy Hidden agenda (Start the game with this conspiracy face down in the command zone and secretly choose a card name
Lighthouse Chronologist Lighthouse Chronologist takes a week or two to get going, but blue has access to plenty of proliferate cards to speed things along
There are a lot of branches left out of her family tree even though shes a grandmother
In terms of sheer lore (yes, this is something that I absolutely care about, possibly more than I should), I think the deck works perfectly
If your board gets wiped and you say, "Great, let me put 20 death triggers on the stack," you might be an Aristocrats player