Revenge of Ravens (Tales of Middle-earth Commander #207)

Enchantment - {3}{B}
Whenever a creature attacks you or a planeswalker you control, that creature's controller loses 1 life and you gain 1 life.
„"Regiments of black crows are flying all over. I do not know what they are about, but I think they are spying out the land."
—Gandalf“