Oraaya's Kiss

When Oraaya's Kiss enters play, you may return
a creature card from your graveyard to play and
attach Oraaya's Kiss to it. If you do, Oraaya's
Kiss becomes an Aura with 'Enchant creature',
'Enchanted creature has lifelink' and 'When
Oraaya's Kiss leaves play, sacrifice enchanted
creature'.
At the beginning of your end step, if Oraaya's
Kiss is not attached to a creature, sacrifice it and
you gain 3 life and draw a card.