Vile Requiem [Commander 2013]
Set: Commander 2013 Type: Enchantment Rarity: Uncommon Cost: null
At the beginning of your upkeep, you may put a verse counter on Vile Requiem.
1B, Sacrifice Vile Requiem: Destroy up to X target nonblack creatures, where X is the number of verse counters on Vile Requiem. They can't be regenerated.