Will-o'-the-Wisp — {B}
Creature — Spirit
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.)
0 / 1
"About, about in reel and rout
The death-fires danced at night;
The water, like a witch's oils,
Burnt green, and blue and white."
—Samuel Coleridge, "The Rime of the Ancient Mariner"