Necravolver is a rare Creature — Volver card from The List (PLST), collector number APC-46. Current market price: $0.19, TCGplayer market prices via Scryfall.
Kicker {1}{G} and/or {W} (You may pay an additional {1}{G} and/or {W} as you cast this spell.) If this creature was kicked with its {1}{G} kicker, it enters with two +1/+1 counters on it and with trample. If this creature was kicked with its {W} kicker, it enters with a +1/+1 counter on it and with "Whenever this creature deals damage, you gain that much life."