Elmo the Evil

Hexproof, Flying, Indestructible,Lifelink,
When Elmo the Evil enters the battlefield
exile all non-land permanents except for demons.
{r}Put X +1 +1 counters on Elmo the Evil
where X is the number off lands on the
battlefield.
{r}Sacrifice Elmo the Evil: you gain X life and
each opponent loses X life where X is Elmos total
power.