Target creature gets -3/-3 until end of turn. You may tap any number of untapped Vampire creatures you control. If you do, put a +1/+1 counter on each of those Vampires.
Flying Whenever you gain life during your turn, put a +1/+1 counter on this creature. Whenever you lose life during your turn, put a +1/+1 counter on this creature.
Target creature gains trample and gets +X/+0 until end of turn, where X is 1 plus the number of cards named Ancestral Anger in your graveyard. Draw a card.
This creature can't block. Whenever you sacrifice one or more Blood tokens, target creature can't block this turn. This ability triggers only once each turn.
Arvon was ecstatic to offer his blood to such a captivating creature.