Tassi, Darkwoods Dryad

When Tassi, Darkwoods Dryad enters the battlefield, draw a card if you lost life this turn.

{b}, {t}, sacrifice another creature : Add X mana of any one color to your mana pool where X is the number of creature cards in your graveyard.

{g}, {t}, sacrifice a land : Return target land from your graveyard to play.