Here's how to play.
player 1:
Mutation: Having knives for fingers.
player 2:
pro: No need real knife.
con: Tries to get your nose.
List your mutation/ability we can't do in Real life next, after the pros and cons.
I'll go first:
The ability to fly.
Pro: safest way to travel
Con: you will get hit by a plane
Mutation: the ability to die