Will-o'-the-Wisp

Flying (This creature can't be blocked except by creatures with flying or reach.) {B}: Regenerate this creature. (The next time this creature would be destroyed this turn, instead tap it, remove it from combat, and heal all damage on it.)

"On dark nights you can still see the light of the Vess girl's lantern out in the Caligo, seeking her lost brother. Those who follow are doomed to join her endless search." —"The Fall of the House of Vess"