Moltarnus, Deathless Inferno

Flying, hexproof from white and from blue
You may cast Moltarnus, Deathless Inferno from your graveyard
Whenever another Phoenix creature card you own is put into your hand from your graveyard or enters the battlefield from your graveyard, Moltarnus, Deathless Inferno deals damage equal to that card's power to each opponent.