Dawn-Blessed Pennant (ECL-254) [Lorwyn Eclipsed]

As this card enters, choose Elemental, Elf, Faerie, Giant, Goblin, Kithkin, Merfolk, or Treefolk

Whenever a permanent you control of the chosen type enters, you gain 1 life

2, T, Sacrifice this artifact: Return target card of the chosen type from your graveyard to your hand.