"Magic 2013", +los, +life, +!"Blossoming Sands", +!extort (4)
Whenever a creature attacks you or a planeswalker you control, that creature's controller loses 1 life.
Flying
When Bloodhunter Bat enters, target player loses 2 life and you gain 2 life.
Enchant creature
When Dark Favor enters, you lose 1 life.
Enchanted creature gets +3/+1.
Target player draws two cards and loses 2 life.
Gatherer works better in the Companion app!