Orion, Titan of Mind's Suffer

When Orion enters the battlefield, sacrifice it
unless it escaped.
Whenever Orion enters the battlefield or attacks,
it deals 3 damage to any target, then you may sacrifice a creature with
mana value 3 or less, if you do you gain 3 life.
Escape—{w}{w}{r}{r}, Exile five other cards from
your graveyard.