I've desperately tried to flip thing in the ice with the ~22 spell build. Thing in the ice's survival rate was approximately 0%. It died countless times to lilianas, swords, terminus, block + bolt, REB.
I've moved away from the thing early in my testing. It's not only vulnerable it's also 2 slow. The trigger is great and it does work sometimes, but you can't count on it... I prefer trinket mage for it's versatility and being a shuffle - creature.