Necravolver

Kicker {1}{G} and/or {W} (You may pay an additional {1}{G} and/or {W} as you cast this spell.)
If Necravolver was kicked with its {1}{G} kicker, it enters the battlefield with two +1/+1 counters on it and with trample.
If Necravolver was kicked with its {W} kicker, it enters the battlefield with a +1/+1 counter on it and with "Whenever Necravolver deals damage, you gain that much life."