Card: Plague Boiler
Casting Cost: 3
Color: Red
Type: Artifact
Rules Text: At the beginning of your upkeep, put a plague counter on Plague Boiler. {1}{B}{G}: 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.

Ravnica: City of GuildsRare