The only other character card that can do that right now is Pinocchio Star Attraction, and its played in many competitive aggro decks
Marauding Blight-Priest Rarity: Common TYPE: Creature SUBTYPE: Vampire Cleric CMC: 3 Mana cost: USD: $0.30 EUR: 0.13 TIX: 0.03 EDHREC RANK: 1105 (3/2) Whenever you gain life, each opponent loses 1 life
MAY CONTAIN ART CARDSFound only in Play Boosters, some packs contain an Art card showcasing a piece of art from the Duskmourn: House of Horror set and may even feature a foil signature from the artist
There are very few White decks which won't benefit from a Restoration Angel
Sure, it can swing for 8, eventually, but what were interested in here is the activated ability you can use even when it isnt crewed, and at any point in the turn cycle
In a similar vein, these creatures will drain your opponents while giving you life: Blood Artist (any creature dies) Creeping Bloodsucker (beginning of your upkeep) Cruel Celebrant (creature you controls dies) Zulaport Cutthroat (creature you controls dies) Vizkopa Guildmage has an ability where you can give a creature lifelink