Bloody Crow of Cainhurst

Bloody Crow of Cainhurst enters the battlefield
with 6 quicksilver bullet counters and 3 Blood
Vial counters.
Visceral Attack —When Bloody Crow of
Cainhurst blocks or becomes blocked you may
remove a quicksilver bullet counter, if you do,
that creature deals no damage and Bloody Crow
of Cainhurst deals double damage.
Remove a Blood Vial counter: regenerate Bloody
Crow of Cainhurst
{2}{b/r}{b/r}: Put a +2/-1 counter on BCoC