Anavolver [Apocalypse]

Kicker 1U and/or B (You may pay an additional 1U and/or B as you cast this spell.)
If Anavolver was kicked with its 1U kicker, it enters the battlefield with two +1/+1 counters on it and with flying.
If Anavolver was kicked with its B kicker, it enters the battlefield with a +1/+1 counter on it and with "Pay 3 life: Regenerate Anavolver."