Sentimental Tomb Sight

Whenever a creature leaves the battlefield put a counter on Sentimental Tomb Sight.

{b}{3}, {t}: Remove four Grave counters from Sentimental Tomb Sight: create two Rose tokens.
(It's an artifact with "{t}, Sacrifice this artifact: Return a creature card from your graveyard to your hand. Activate only as a sorcery.")

"Unable are the loved to die. For love is immortality."