For certain matchups it can turn out tricky, for example elysian tempo with the claw attack can result in a high amount of damage, since most of your cards serve as kind of cantrips/tutors.
Otherwise Harsh Rule into a 50/30 Edge should do just fine.
The ShiftstonedEternal Power Calculator is a deck-building tool that visualizes your odds of drawing enough Influence and Power based specifically on the cards found in your deck.