Will-o'-the-Wisp {B}
Creature - Spirit | Power/Toughness: 0 / 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.)
Latest set: [9ED] Ninth Edition ( R · #169 )