Succubus

Flying
Lifelink: Whenever Succubus deals damage, you gain that much life.
Seductive Touch: Whenever Succubus deals combat damage to a player, that player discards a card at random.
Soul Drain: {1}{b}{r}, Sacrifice another creature: Succubus gains +2/+0 and menace (can’t be blocked except by two or more creatures) until end of turn.