Persisting Curse

Enchant target creature or planeswalker an
opponent controls
Enchanted creature gains a -1/-1 counter.
During Enchanted target's owner's upkeep,
Enchanted target gains an additional -1/-1
counter
If Enchanted target were to die, select new target creature or planeswalker an oppent controls.
If no target can be selected. Caster losses 5 life.