Deliverance marionette

Blood gamble— At the start of your turn if your
life total is even creatures you control gain +1/+1
Until end of turn, if it is odd place a mask
counter on Deliverance marionette and you lose
1 life.
Creatures your opponents control get -1/-1 for
each mask counter on Deliverance marionette.
Escaping death is impossible. Trust us.