Hero's Rule is better used as a side card unless you know the deck you are challenging has the ability to target your SDAM in the grave, also I recommend Card Trader in place of Assault Teleport, Card Trader is a more reliable way to keep SDAM in the deck, I know you get a +2 with Assault Teleport but who's to say you wont draw another SDAM or even 2?
SDAM=Stardust Dragon Assault Mode.