Ghostblade of the Syndicate

Equipped creature gets +3/+0 and has dethrone, deathtouch, lifelink, and persist. (Whenever this creature attacks the player with the most life or tied for most life, put a +1/+1 counter on it.)(When this permanent is put into a graveyard from the battlefield, if it had no -1/-1 counters on it, return it to the battlefield under its owner's control with a -1/-1 counter on it.)
Equip {2}{w}{b}{b}