Worshipped

Enchant creature
Enchanted creature has hexproof and other creatures enchanted creature's controller controls get +2/+2 as long as Worshipped is an aura.
When enchanted creature dies Worshipped loses the aura subtype and enchant creature. The creature that was enchanted's controller gains control of it.
If Worshipped isn't an aura creatures it's controller controls get -2/-2.