Anavolver

Kicker {1}{U} and/or {B} (You may pay an additional {1}{U} and/or {B} as you cast this spell.)
If Anavolver was kicked with its {1}{U} 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."

Cetavolver

Kicker {1}{R} and/or {G} (You may pay an additional {1}{R} and/or {G} as you cast this spell.)
If Cetavolver was kicked with its {1}{R} kicker, it enters the battlefield with two +1/+1 counters on it and with first strike.
If Cetavolver was kicked with its {G} kicker, it enters the battlefield with a +1/+1 counter on it and with trample.