Will-o'-the-Wisp [Collectors' Edition] Gx2 Bow of the Goddess is

Bow of the Goddess is a Link-4 monster that nocks an arrow for every monster used to Link Summon it

the ore became iron

Set: Battlebond Type: Creature — Vampire Shade Rarity: Mythic Cost: {4}{B}{B} Whenever you tap a Swamp for mana

but are sometimes necessary to meet the Goal

Set: Kaladesh Prerelease Promos Type: Legendary Planeswalker — Saheeli Rarity: Mythic Cost: {1}{U}{R} +1: Scry 1

Will-o'-the-Wisp [Collectors' Edition] Gx2 Bow of the Goddess isSet: 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."