Zaalbar, Savage Peacemaker

When Zaalbar, Savage Peacemaker enters the battlefield, all creatures target opponent controls
get -1/-2 until end of turn, and all creatures you
control get +1/+2 and have haste until end of
turn.
{t}{2}{r/g}{r/g} Put a -1/-1 on target creature opponent controls.
{2}{r/g}{r/g}{r/g} Exile Zaalbar, Savage Peacemaker,
deal 6 damage to all creatures opponent controls.
Exile all creatures destroyed this way.