Mardu Deadshot

Raid - When Mardu Deadshot enters the battlefield, if you attacked with a creature this turn, out a +1/+1 counter on Mardu Deadshot.
{1}{r}{r}{b}{b}{b}{t}: Mardu Deadshot deals 4 damage to target creature an opponent controls.
Whenever a creature an opponent controls dies, create a 1/1 red Soldier creature token with haste.