Should we ever find ourselves going up against the Cult of Death Undying again, I give you ... crystal skull ice molds:
http://www.thinkgeek.com/product/1ffd/
Crystal Skull Ice Molds
Crystal Skull Ice Molds
"Oh, I'm so sorry. Forgive me. I'll try and be a tad more quiet as I desperately struggle to break free -- and save all creation!" -- Doctor Strange