Blood-Cursed Knight

Oracle Text

As long as you control an enchantment, Blood-Cursed Knight gets +1/+1 and has lifelink. (Damage dealt by this creature also causes you to gain that much life.)

Card Rulings

6/22/2015 If you cast an Aura spell targeting a creature controlled by an opponent, you still control that Aura. It will count for Blood-Cursed Knight’s ability.