Crosshair

Flying
Dethrone (Whenever this creature attacks
the player with the most life or tied for most
life, put a +1/+1 counter on it.)
Whenever Crosshair attacks for the first time
each turn, if it's attacking the player with the
most life or tied for most life, untap all attacking
creatures. After this phase, there is an additional
combat phase.
Scourge of the Throne