Bloodthirsty Nail Polish

Enchanted creature gets +2/+0 and must attack each turn if able. If enchanted creature leaves the battlefield enchant a different target creature. If there are no viable creatures on the battlefield Bloodthirsty Nail Polish enchants the next creature cast.
"...subject will use her fingernails to systematically eviscerate the target, while trying to keep them alive as long as possible...target will continue to derive pleasure from the touch of the subject