Jirag, Chaotic Lich

Whenever a creature dies, roll a d20
Whenever you roll a D20, Do the
indicated effect for each roll.
D 1-8 I Create a 2/2 zombie, surveil 1.
D 9-15 I Create a 2/2 zombie, amass 1,
and surveil 2.
D 16-20 I Create a x/x zombie where x is the
number of cards in your graveyard. Scry x
and gain x life as well.