However, this doesn't beat other rushes, requires set up, and the mother creature is vulnerable.
Just because we can name a powerful combo, doesn't mean it would be OP in a deck.
EDIT(so as to avoid double post):
Go based on results. The un-nerfed version existed in the trainer for several days, and even against relatively bad AI, nothing was game breaking. The best I saw was 47% win rate, and yes, that was with dragons.