Quote from SavannahLion »"So... I Disenchant your Ashiok to get back my Athreos...
"No dude, I exiled Cavalier with that one, Athreos was exiled with the Drowned Secrets"
"No, that's for Ethereal Absolution and Dead Weight"
"Damn it, no. Dead Weight was with... uh... yeah, whatever. What did you want back again?"
I can totally see that second ability causing a lot of confusion if any game run longs enough.