Hi, I'm a new player with a question for the experts. I've been playing a mono-life deck with very good results (90% win) against AI3. However, despite many attempts I haven't had much success against higher level decks.
So here's the question: Is any mono-life deck effective against the Top 50 and Level 5? Obviously I'd like to make use of the cards I already have rather than buying a whole new deck. If so, are there any specific cards I should think about upgrading?