After looking around, I havnt found any speedbow nightmare/ghosts combination. So here is a first try :
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6u3 6u3 6u3 6u3 6u3 6u5 6u5 6u5 6ve 6ve 6ve 6ve 6ve 74f 74f 77j 77j 7ai 7dm 7q4 7q4 7q4 7qe 7qe 7qe 7qe 7th 7th 7th 7th 8ps
Works like a charm in AI3, but who cares.. In silver league something like 60% win which is too low. Surely needs some adjustments so, but I can tell you when everything goes right, this deck is really a pain somewhere for the opponent
Waiting a little, then dump the ghost + nightmare, destroy pillars, discord and black hole
Then chain the nightmares / black holes, just make the opponent mad !