Mists of deception make my 8 Marble Oracle dead?

[Twan]

Don't know for this game, but if I was you my default games (especially newbie games, as they aren't supposed to know the bug / rules about this spell) would include a mod to remove or fix the spell (I made one making MoD an instant summon of an army of fog warriors coming from the sides + normal Mist as secondary effect - it may need some balancing but something like that -).