When Oakseam Glutton is played, you may have it sabotage.
: Sabotage (House Oakseam Glutton in an enemy structure. Control of it remains with you. When it is ousted, it returns to your courtyard.)
While Oakseam Glutton is housed, other occupants' maintenance costs more.
While Oakseam Glutton is unhoused, it's maintenance costs more.