Last, but absolutely not least, Deep Clue Sea is significantly more powerful than the other Murders at Karlov Manor pre-cons. From mana base to mana rocks to raw card power, the scales are tipped way in this deck’s favor. Someone at Wizards must really like
Clue

Definitely Choose the Fish

Hands down Morska, Undersea Sleuth is the correct choice. First, this deck can use every single drop of mana, whether on your turn or someone else’s. The difference between a three or four mana commander is surprisingly relevant. Next, you want to get your token generation online ASAP. On turn five, Morska has made two clues. Sophia, Dogged Detective has made a Dog token and then if it deals combat damage it will also make a
Food


On top of this, if you played Morska turn three and Wilderness Reclamation turn four, you’re ready to draw a card for free, or keep up interaction. The power of this kind of value engine gets larger the longer the game goes on, and you really want to start it as quickly as possible.
The no max hand size granted by Morska is very valuable because once you starting drawing, you won’t stop. Finally if you do need a gigantic creature, Morska gets quite large without even trying. Sophia is a bit of a trap. You really don’t want to sacrifice too many tokens too early and you may feel forced to do so. All in all, the Sleuth is superior.
Winning

Remember those free Clues you make every upkeep? Now they turn into damage with the help of Merchant of Truth. But wait, Armed with Proof generates two clues and also let clues become equipment for even more damage. Knowledge is Power turns every draw from a clue into effectively a scaling anthem effect as a finisher. Tangletrove Kelp turns all your clues into 6/6 creatures each combat. Is that not enough winning for you? Making clues literally turns into winning. Mechanized Production can easily become a one turn clock. There are many overlapping ideas and good cards in the Blast From the Past Doctor Who deck but that deck has an overwhelming amount of token generation while not necessarily having the best ways to end the game. Deep Clue Sea, on the other hand, does not mess around.
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What About the Table?

With
Farewell

• Exile all artifacts.
• Exile all creatures.
• Exile all enchantments.
• Exile all graveyards.
, Fumigate and Organic Extinction you don’t have to fear very much. Furthermore, Confirm Suspicions generates big value the moment you use it. You’ve also got single target removal in the form of
Swords to Plowshares

Blue’s Big Clues

You might take a look at the mana curve of the deck and think it’s a tad on the high side. But
Kappa Cannoneer

Ward {4}
Whenever this creature or another artifact you control enters, put a +1/+1 counter on this creature. It can't be blocked this turn.
,
Thought Monitor

Flying
When this creature enters, draw two cards.
and Junk Winder are really only one or two mana. Keep in mind Cannoneer can finish a player easily and Junk Winder can lock down multiple permanents for the rest of the game.
Chulane, Teller of Tales

Whenever you cast a creature spell, draw a card, then you may put a land card from your hand onto the battlefield.
{3}, {T}: Return target creature you control to its owner's hand.
loves bouncing Thought Monitor in particular for massive value. Inspiring Statuary is the ultimate mana rock for this deck.
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Everything Two

Drawing a second card on any turn can generate you multiple tokens and pump up Morska. You don’t need to do anything else. Assemble one engine and see what the table is doing. React accordingly. Tezzeret, Betrayer of Flesh turns all that stored clue value into four free cards per round. Follow the Bodies lets you buyback your entire clue board for only three mana and combos very well with
Lonis, Cryptozoologist

{T}, Sacrifice X Clues: Target opponent reveals the top X cards of their library. You may put a nonland permanent card with mana value X or less from among them onto the battlefield under your control. That player puts the rest on the bottom of their library in a random order.
. There are plenty of ways to get ahead without over committing.
Realistically, you are only going to get into trouble if you lose multiple value pieces at once, so do your best to avoid that. That means the game plan is, go for an engine, see if you win. Didn’t win? On to the next engine. If it looks like someone else is going to win, wipe the board and repeat.
Value on top of Value

Reprints tend to depress card prices, that much is obvious. But even in light of that, the deck offers strong value for your money.
Academy Manufactor

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But if we did want to Mod it…
First, I’m removing some tangential creatures. Out: Hornet Queen, Graf Mole, Nadir Kraken, Whirler Rogue, Killer Service. Next I’m going to drastically consider removing Shimmer Dragon and Hydroid Krasis. Sometimes you just have too much card draw.
Outside of the usual suspects like
Enlightened Tutor

The deck would really like one to two additional counterspells. I think
Dovin’s Veto

Counter target noncreature spell.
and Disallow are all that would be necessary. A little insurance never hurts.
In place of some of the more expensive creatures that don’t do the clue thing quite as well, I’d want to include
Kellan, Inquisitive Prodigy

Whenever Kellan attacks, destroy up to one target artifact. If you controlled that permanent, draw a card.
. It’s perfect at two mana for the adventure and is the kind of ramp spell the deck wants versus something generic like
Cultivate

For only three mana
Jaheira, Friend of the Forest

Choose a Background (You can have a Background as a second commander.)
is the perfect ramp effect. If you want to turn the deck up to 11 then
Urza, Lord High Artificer

Tap an untapped artifact you control: Add {U}.
{5}: Shuffle your library, then exile the top card. Until end of turn, you may play that card without paying its mana cost.
is probably the best single creature you can add and you need nothing else to win the game, just activate Urza.
Five Hundred Diary and Nyssa of Traken are two amazing cards from the Doctor Who set to play. Nyssa is criminal with Follow the Bodies! You can also consider Displaced Dinosaurs if you want your clues to have yet another way to directly win you the game since they will enter as 7/7 Dinosaurs. Some might find that overkill, others might find it necessary.
The Superior Deck

A couple of the other Murders at Karlov Manor pre-cons have some issues ranging from minor to moderate. From sloppy mana bases to poorly combining effects, the overall experience of playing three of the four decks was “good…but.” No such issue with Deep Clue Sea. It has a focused theme, strong cards, high reprint value, the best land base and mana rocks of the bunch. Each of the decks was relatively slow. DCS, though, has a massively powerful value engine. Even completely unmodded you should be fine to play at most tables. Sit back, generate some clues, and watch everyone else try to win. Then give them a clue, or 15, and proceed to the win.
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