Zenith Giaorugu

Extreme Iceblight
Whenever a creature with the creature type
Zenith enters the battlefield under your control
or leaves the battlefield, deal 4 damage to 3 target
creatures those creatures get -2/-3 until the
beginning of your next upkeep.
{4}{s}{s}: Creatures your opponents control get
-3/-4 until the beginning of you next
upkeep