This card seems way undercosted. Knowing what is in your opponent's hand is extremely valuable. It would be worth spending some flux for a one time look, much less an ongoing reveal.

Someone else said this also but I have yet to see it used in a DL deck. So it makes me think it isn't actually that useful?

I've used in in an experimental DL deck. At this point I'd include at least one copy in every DL deck I make, which is usually a sign something is too good.

At first I was inclined to agree with you that it should cost something, but no more than 1 flux. But I think the fact that it's an enchant space makes it acceptable at 0. You have to first get a creature out to find the enemy-controlled location. You also have to get to 2 domain. If you're on the defensive early on, you might not have a good chance to even play the card. I really think the card is fine how it is.

how about this... same cost, but...

target players hand is revealed
target player sees two random cards in your hand at the start of each round,


????

Getting it in place isn't really a big cost. If you can't get anything in sight of your opponent's base, you really have problems. Knowing whether your opponent currently has a Negate, Lysis, Telda Bloom, Cull the Weak, etc is a huge tactical advantage, and surely is worth more than the cost of just a slot in your deck.

Combo with valley of fog will give you the clue and when to cast it for greter efect. When the oponent do not have cheap cards he can cast.

After playing with and against this card some more, I have changed my mind. It's a little bit too beneficial for 0 flux. However, I don't know if I would want to spend flux on such an ability. I think that adding Lifespan(4?) to this card would be a good compromise.