Jhoelh, Rhathrun's Prodigy

When Jhoelh, Rhathrun's Prodigy enters the battlefield it deals 1 damage to each opponent.
When a land enters the battlefield under your control, Jhoelh deals 1 damage to each opponent.
If that land was a basic mountain, exile Jhoel, then return it to the battlefield under it's owner's control.
"My sister cared for me when I was thought to be the
flame incarnate. Isn't it apt that the deep flame cared
for a smaller ember?"