Ignore all skulls you roll. +2 if the defense pool has 4+ .
Standard DeckBeastBattle Plan FAQ
Q: If the defense pool has fewer than four dice when I use this power, but then the defender adds defense dice to their pool using their own battle plans, do I get +2 attack dice?
A: No. You check this at the moment you use the power.
Q: Do I still ignore skulls even if I do not get the dice bonus?