Ruins Yet Aflame

Whenever a creature with toughness four or
more enters play under your control, Ruins Yet
Aflame deals 2 damage to each opponent.
Whenever a card leaves your graveyard, sacrifice
this and it deals 4 damage to each opponent.
{1}{r}, Sacrifice a creature with toughness four or
more: Return Ruins Yet Aflame from your
graveyard to your hand.