It's a cheap card, but in the end, it does almost nothing. I think people will pay more for it, if it does more. It's quite a strain on your deck to put 6 in it. We should be fair and remember a mark like earth or life has NO mass CC spell, and barely any CC in fact. If you play mono air you can certainly murder a whole field with it, if spammed. I'd like it, if the creatures hit by it were desorientated somewhat? Turn delay, or less damage? But then the price should go way up. Maybe 3
If this was a mono earth spell I sure would spam it, though. It's better than 6 bas. blood, except against the strongest creatures. Add an eagles eye there, and you have wicked damage...