At the beginning of your upkeep, put a plague counter on Plague Boiler.
![1](/Handlers/Image.ashx?size=small&name=1&type=symbol)
![Black](/Handlers/Image.ashx?size=small&name=B&type=symbol)
![Green](/Handlers/Image.ashx?size=small&name=G&type=symbol)
: 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.