Blood-Cursed Knight

Chevalier maudit par le sang (Blood-Cursed Knight) (fr)

Creature - Vampire Knight | Power/Toughness: 3 / 2 (CMC 3)
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.)