Vecna, Hawkin's Demise

When Vecna Hawkin's Demise enters the battlefield halve your opponents life total. Annihilator 5. Whenever this creature attacks halve your opponents life total. When Vecna Hawkin's demise comes into play target a creature. Target creature dies after two of your opponents upkeeps. Whenever a creature dies this way target a new creature. After 4 creatures die this way you win the game.
trample, deathtouch