Hoggos, Solaris Guardian

Ethereal
When Hoggos, Solaris Guardian enters the battlefield it deals 3 damage to target creature or planeswalker and you gain 3 life.
When Hoggos, Solaris Guardian becomes the
target of a spell or ability an opponent controls,
you may exile Hoggos. If you do, return it to the battlefield under your control at the beginning of
your next upkeep.