Boukhmer Thunderborn

When Boukhmer Thunderborn enters the battlefield, untap all other pirates.
Pirates your opponent controls can't block. Pirates
you control have vigilance.
Boukhmer Thunderborn loses all effects as long
as damaged or tapped.
{t},{b} : Boukhmer Thunderborn and target
creature both take X damage.
(X can't be greater than this card's toughness.)