Will-o'-the-Wisp [Alpha Edition] Collectors' Edition Each creature you control has

Each creature you control has "Whenever a mana ability of this creature resolves

Destroy Rocket Launcher at the beginning of the next end step

Set: Commander 2015 Type: Enchantment — Aura Rarity: Rare Cost: {1}{W}{W} Enchant creature

Set: Commander 2011 Type: Creature — Demon Rarity: Rare Cost: {7}{B}{B}{B} When Dread Cacodemon enters the battlefield

Will-o'-the-Wisp [Alpha Edition] Collectors' Edition Each creature you control hasSet: Alpha 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."