Plague Boiler | Magic: The Gathering
Formats Plague Boiler is Legal in
Official Oracle Text for Plague Boiler
: 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.
Official Rulings for Plague Boiler
10/1/2005 : If the third ability triggers, removing a counter in response won't stop the effect. However, somehow removing Plague Boiler from the battlefield in response would stop the effect because then you wouldn't be able to sacrifice Plague Boiler.
10/1/2005 : The sacrifice is done on resolution of the triggered ability.