Sphere of Annihilation [Dungeons & Dragons: Adventures in the Forgotten Realms] super "The Rakdos know little of

"The Rakdos know little of technology

you may pay {1}{U/R}{U/R}

Set: Black & White: Plasma Freeze Type: Stadium Rarity: Uncommon

Set: Magic 2010 Type: Enchantment Uncommon Cost: {2}{B} Whenever an opponent discards a card

Sphere of Annihilation [Dungeons & Dragons: Adventures in the Forgotten Realms] super "The Rakdos know little ofSet: Dungeons & Dragons: Adventures in the Forgotten Realms Type: Artifact Rarity: Rare Cost: {X}{B} Sphere of Annihilation enters the battlefield with X void counters on it. At the beginning of your upkeep, exile Sphere of Annihilation, 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