Plague Boiler [Commander 2013]
Set: Commander 2013 Type: Artifact Rarity: Rare Cost: null
At the beginning of your upkeep, put a plague counter on Plague Boiler.
1BG: Put a plague counter on Plague Boiler or remove a plague counter from it.
When Plague Boiler has three or more plague counters on it, sacrifice it. If you do, destroy all nonland permanents.