Will-o'-the-Wisp

Will-o'-the-Wisp {B}

Creature - Spirit | Power/Toughness: 0 / 1 (CMC 1)
Flying (This creature can't be blocked except by creatures with flying or reach.)
{B}: Regenerate Will-o'-the-Wisp. (The next time this creature would be destroyed this turn, it isn't. Instead tap it, remove all damage from it, and remove it from combat.)