Mortium, The Living Plague

Duality (You may |
cast either side of | Transform {2}{b/g}.
this card.) | Activate this ability
. | only if an opponent
Haste, Deathtouch | lost life and a creature
. | has died this turn.
You can't cast this |
spell unless an | Sacrifice a creature:
opponent has lost | each opponent loses
life and a creat