If we stay with the Crawltal for
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5i4 5i4 5i4 5i4 5i4 5i4 5i4 5i4 5ia 5ia 5jm 5jm 5jm 5jm 5jm 5jm 5jm 5jm 61t 61t 61t 622 622 622 7gm 7gm 7gm 7gm 7gm 7gm 8pu
I'd prefer this variant, for it's stability, and fast (kinda..) quanta production. You can almost always expect a 2nd turn crawler on your side - and Fractal can be sometimes ignored too, as even a few starting crawlers can cause some pain while hiding behind a shield. I ditched the bolts, because I found it not that necessary against many Death-decks, but tossing in 2 (32cards) does make you feel a little more safe sometimes. More may hurt the consistency, as far as I noticed.
Anyway, the deck stands a chance.
Also, what will our reinforcements be? Do we have a wishlist for that?