Jorgala, The God Wurm

Deathtouch
{b}, Sacrifice a creature: target player loses 1 life.
{g}, Sacrifice a creature: gain 1 life.
{r}, Sacrifice a creature: Discard a
card, then draw a card.
At the beginning of each end step, create a 1/1
black Wurm creature token for each player
who lost life this turn.