Hmmm. This card still highly irks my nerves. 
I don't know what to say besides this stands next to Ghost Of Time Past.
I can't imagine ever using this. And If I can't imagine it, I don't like it.
Try making this immune to poison.
I think I would use this IN a GoTp-mare. Its an excelent mechanism for continuing hand-lock while you wait for nightmares to come in.
It also makes a great synnergy with the dune scorpion because even if they avoid taking damage by playing it, they will risk giving you more ammunition to use against them.
Yes, its subdued in terms of damage per quanta in creature attack and discard penalty but the auto-nightmare effect is very useful and the autoreturn actually synergies perfectly with dune scorp.
