Starscourge Radahn

Vigilance, Trample, Haste
Melee 2 (Whenever this creature attacks, it gets
+2/+2 until end of turn for each opponent you attacked with a creature this combat.)
Whenever a creature enters the battlefield
under an opponent’s control, put a +1/+1
counter on Starscourge Radahn.
At the beginning of combat on your turn, choose a player at random. Starscourge Radahn attacks that player this turn if able.