Corpse Manipulator

At the beginning of your upkeep, create two 3/3 colorless zombie token artifact creatures with
haste, lifelink, and indestructible.
pay {b} create four 4/4 colorless zombie token artifact creatures.
{t} for each 4/4 colorless zombie token artifact creature created by Corpse Manipulator, you gain
4 life and each zombie token artifact creature
created by Corpse Manipulator deals its amount
of damage to each opponent.