The artwork on this card is amazing, look close and the screaming half is turned in on itself so its facing the front and to the side which is perfect for what it does. one of the best artworks I think ive seen for looking exactly like what the spell does so well don Jon Foster!
Its fantastic in a U/B Mill deck:
Instant so you can counter if a copy of the spell is in the graveyard already.
Snapcaster Mage for Flashback into either getting rid of something potently nasty or for another counter :D