it looks like your trying to draw a lot, i would suggest Blue Sun's Zenith and maybe another method of killing them along with Psychosis Crawler which could easily be killed with a variety of kill spells, such as consuming vapors (which would also gain them a ton of life) and doom blade or even vendetta if psychosis isn't too big yet.
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maybe lose a mimic vat for another green sun or vice versa?
Glissa brings back artifacts, like mindslaver. If you take their turn and swing at yourself with their creature you block with Glissa and get mindslaver back if it already isn't under a prototype portal.