Will-o'-the-Wisp [Collectors’ Edition] XY51 during damage calculation (in either

during damage calculation (in either player's turn): You can detach 1 Xyz Material from this card once per battle

Set: Kaladesh Inventions Type: Artifact — Equipment Rarity: Mythic Cost: {3} Equipped creature gets +2/+2 and has protection from red and from white

Vampire Nocturnus and other Vampire creatures you control get +2/+1 and have flying

"Why would I kill you all

Will-o'-the-Wisp [Collectors’ Edition] XY51 during damage calculation (in eitherSet: Collectors Edition Type: Creature Spirit Rarity: Rare Cost: {B} 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.) "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."