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