At the beginning of your upkeep, if you control a blue or black permanent, target creature gets +1/+1 until end of turn. If you control a blue permanent and a black permanent, that creature gets +5/+5 until end of turn instead.
Kicker {1}{U} and/or {B} 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."
Cumulative upkeep {1} When Ancestral Knowledge enters the battlefield, look at the top ten cards of your library, then exile any number of them and put the rest back on top of your library in any order. When Ancestral Knowledge leaves the battlefield, shuffle your library.