too much of the familiar and customers leave because theyve seen it all before
While 10 damage may not seem that impactful, it can be a lifesaver in certain situations: 10 extra damage makes Mewtwo EXs Psychic Sphere hit for 60, letting it knock out most Basic Pokemon in one shot, whereas a 160 damage Psydrive now OHKOs Exeggutor EX, Machamp EX, Dragonite, and more
Which ones are worth a look
(6/15/2010) As Aura Finesse resolves, if the targeted Aura can't legally enchant the targeted creature (for example, because the Aura is red and the creature has protection from red, or because the Aura has "enchant creature you control" and an opponent controls the creature), the spell resolves but the Aura doesn't move
One of the great things about having the Rules Manager as a design team member is that he'd find little sections of the rules we could exploit they weren't being exploited currently