Name: Sphere of Annihilation Cost: XB CMC: 1 Color: B CID: B Type: Artifact Rules Text: This artifact enters with X void counters on it. At the beginning of your upkeep, exile this artifact, all creatures and planeswalkers with mana value less than or equal to the number of void counters on it, and all creature and planeswalker cards in graveyards with mana value less than or equal to the number of void counters on it. Set/Rarity: Magic Online Promos rare, Adventures in the Forgotten Realms Promos rare, Adventures in the Forgotten Realms rare Legality: Legal in historic, Legal in brawl, Legal in pioneer, Legal in legacy, Legal in duel, Legal in vintage, Legal in timeless, Legal in gladiator, Legal in commander, Legal in oathbreaker, Legal in modern Price: $0.18 Foil price: $0.17