Crove, Titan of Grave's Will

When Crove enters the battlefield sacrifice it
unless it escaped.
When Crove enters the battlfield or attacks you
may put a creature card from a graveyard onto the
battlefield under your control, if you do lose life
equal to its converted mana cost, that creature
enters the battlefield as it has escaped.
Ecape:{b}{b}{b}{b}, exile five other card from your graveyard.