An updated version of an old favorite of mine, brought to us all, here in Dark Ascension:
This is an updated version of one of my favorite blue instants, found in the Judgement set, that went by the name of Mental Note.
First of all, I love all 1cc instant or sorcery spells of any color that are cantrips. For a single mana, it's almost as if they can do no harm and can only do good. How much good they do for you depends on how well you design your deck around that card. And that's what I like most about deck building. It's very satisfying to be able to squeeze these types of cards into your deck because when cast, they always set yourself up for future potential plays--they increase the tension of the game. Whenever you play one of these cards, both you and your opponent know that card was in your deck for a reason and now that you've played it, you're one step closer on achieving whatever it is your deck is designed to achieve.
These days, I'm on a mission to create a competitive Innistrad Block Mill Deck. Like I've pointed out a couple times on this blog, in the month of November, I went on a serious Mill Strategy binge while drafting Innistrad on MTGO. The details of which you can read about in my MTG Salvation thread titled:
A Month of Force Drafting Mill Strategy in Innistrad.
I tried to make it work at the constructed level, but it just didn't work. Now with Dark Ascension, with cards like Thought Scour and Increasing confusion, could it be possible? I'm not sure, but I'm going to try.