How about that as a soft counter? Should interact nicely with flood. Possibly needs to cost slightly more; I think it's a bit too much better than Power Sink right now.

Hmm, the mtg article on designing counterspells suggests 3U would be too much; it's less good than counterspell, after all.

Good idea. You're right about the cost, though; in a blue deck, this will almost always be Cancel, and otherwise it'll vary. Maybe it'd do well.

Hm, or maybe "1U. Counter target spell unless its controller pays for each two islands on the battlefield?" Then it's similar to mana leak: less good on turn 2 (which is probably good) and a bit better on turn 8 (which is also reasonable), but also gives you the option to turn it into Counterspell by using flood?

­Mana Leak is actually the other way around: usually a hard counter at the beginning, but by later in the game your opponent has plenty of spare mana.

I like this card, but it pops up at an awkward time, and is getting a freeze until we resolve what happens in Overlap in G and U themes.