"Magician" champion?
Passive : has a chance not to feel damage on the next ability (no ultimate) Q: throwing Cards widly but with no aim.. random places w: Vanish e: hypnosis , cause the opponent to get damage everytime he uses spells for 2-3 seconds R: balls in cup : transform into 3 cups (and do the animation of mixing , search it on youtube) and you can no longer see him , and u have to attack a box... 1 false box = stun the other one : aoe damage the other 1 : damage to you (the real cup)
it's just an idea...