8 Lake of the Dead With limited reprints, Lake of the Dead has become quite a pricey card over time
If you already own two pieces of the same card, you cannot use your second copy, and you need to get a third duplicate
Battle Decks Battle Decks include not only a well-composed deck ready for you to play, but also a folded paper playmat to play on, some helpful game tokens, a deck box to store your cards, and a nifty plastic coin (some Pokmon cards require you to flip a coin, and it's always better when you use a shiny Pokmon TCG coin instead of a regular penny)
To compensate for the harder casting cost you could bump him up to a 5/5 and possibly keep the Deathtouch along with either First Strike or Haste
He was last seen working both for and against Phyrexia during its invasion of the multiverse, so he could be up to practically anything
There needs to be some kind of payoff to using surveil to selectively set up your graveyard rather than filling it with random cards and that doesn't exist yet