Fortess, Churn Chainer

Shadow
Whenever a human you control dies, you may
pay {1} and exile it. If you do, put a 1/1 Zombie
Horror creature token into play with lifelink
and "when this creature deals combat damage
to a player, you may sacrifice it. If you do, return
the exiled card to the battlefield tapped.
—
"Get up! I say when you're done fighting."