Phoenix, good sir, for once you and I are in complete and total agreement. I completely cracked up when I read the post and your response.
@Nameless One:
Just to further dignify the horrible Counter/Top suggestion with a response (since folks are kind enough to do so for me when I have the occasional horrible idea)... The problem with Counter/Top in this deck, basically, is that it just takes up too many slots. To effectively run it as a disruption engine, you need to be sure that you will be able to set up the lock during the first few turns of the game, or else it loses its potential to control the game. As Picelli mentions, to do this you would need to also include Brainstorm and fetch-lands.
The whole idea of the Merfolk deck is to disrupt the opponent enough to deal twenty damage to them, and to speed up our clock with the exponential damage boost that using "Lord" creatures gives us. To this effect, the deck needs to play at least 18 creatures, and I find that a number more in the range of 20 works best for me. Quite simply, between our disruption suite (which is pretty much the best thing available to the deck and thus non-negotiable) and our creature package, and our Aether Vial/Standstill shenannigans, Counter/Top is 10-12 slots in the deck that are just not fucking open. Any deck that uses Counter/Top effectively usually does so while maintaining a much lower threat density than Merfolk, and using more search cards, like Brainstorm and Ponder, than we can really hope to squeeze in.
*Having said all that, if you really want to run the Counter/Top package (in this deck that is), here's my suggestion to you: Go for it. Let your results speak for themselves though, before you tell people who play this deck on a serious level that they don't know what they're doing, when your opinions on the subject are clearly somewhat naive. And be aware that to find the space for an effective Counter/Top package, you're going to have to end up cutting some of the cards which this deck holds near and dear. I mean, seriously, you say you prefer the oldschool version of this deck, but your suggestion would require this deck to pretty much completely gut out the engine it uses and replace it with a new one.
Moving on to the White Splash topic:
Ok, this list has been performing too well so far for me not to post it. It's pretty similar to the one I posted a couple days ago, but I think the tweaks have really helped, from what I can see:
UW Merfolk:
4 Flooded Strand
3 Tundra
3 Mutavault
3 Wasteland
6 Island
4 Cursecat
4 Adept
4 Lord
4 Reejerey
3 Wake Thrasher
4 Vial
4 Standstill
4 Daze
4 Force of Will
3 Echoing Truth
3 Swords to Plowshares (I'm kind of thinking of trying Path to Exile to see if the sky falls down on me for running it with Wasteland... may be a crazy idea though)
SIDEBOARD
1 Swords to Plowshares
3 Pithing Needle
3 Hydroblast
3 Seal of Cleansing
3 Jotun Grunt
2 Propaganda
***So, basically the number one thing that convinces me this list is good is that I just won a really long, drawn out Game Two versus Goblins. The awesome thing about the game was I literally kept him on the defensive the whole time... He did three damage to me over the course of the game, although I had to fight hard to get past his defenses (and his fucking Vexing Shusher)... The fact that this deck can take out Merfolk's old nemesis, Goblins, has me pretty stoked about the White splash.
I would recommend testing with this list to see how y'all like it. Personally, I'm digging it well enough that I'm actually contemplating dropping the huge chunk of change that it would entail for me to get three Tundra, four Flooded Strand.
I'm finding the White splash to be very strong because of the board control it brings, and particularly I'm finding Jotun Grunt to be some nice secret tech for the sideboard.
As far as the sideboard goes, Propaganda is the only card that's been consistently underperforming so far... It may be that to run it effectively it really needs to be three-of in the sideboard, but my hunch is that the extra removal makes Propaganda unnecessary... Does anyone have any suggestions for what to run instead? I could see just bumping in the fourth copy of Echoing Truth and maybe either the fourth Hydroblast or Seal of Cleansing... But I'm wondering if anyone has any hot tech for my two free slots.

