Apart from its vanilla creatures, much of the deck is focused on flying creatures and doing direct damage
By the looks of things, Invasion of Tarkir is already on the move price-wise, with copies climbing from around $3.50 to $5 over the last month
Basil Tenacious Mouse becomes very hard to get rid of, as his ability gives him Resist +1 until the start of your next turn
Its a good amount of sacrifice fodder for aristocrat decks, and while youre sacrificing the insects Aatchik makes, it gets stronger and drains your opponents
In Extended Dredge, Bloodghast was a card that could be milled into the graveyard with dredge, come back from the graveyard for free with landfall, possibly do some attacking (dealing with four Bloodghasts can actually be super annoying because they just keep coming back), and in the late game make an amazing combo with Bridge from Below and Dread Return, generating a ton of Zombies when they are sacrificed and then returning to the battlefield for free
And I didnt quite realise how iconic it was when I was working on it