They can be <img src="/ubbthreads/images/graemlins/smile.gif" alt="" /> depending on how 'rare' and how 'old' they are. But there are some killer cards or just card combinations that aren't all that rare. The premise is you start out with 20 life and the first person to reach 0 loses (if just two people are playing). Some cards are hard to defend against, the ones that strike directly at your life instead of one of your creatures.
