The longstanding rivalry between the Toronto Maple Leafs and Montreal Canadiens has now reached a whole new level.

To commemorate the first playoff game between the two teams in 42 years on Thursday, Toronto Mayor John Tory has placed a bet with Montreal Mayor Valérie Plante to up the ante for the highly-anticipated showdown.

Each mayor will have to donate $500 to their NHL team's charity of choice. On top of that, the losing city's mayor will have to donate an additional $500 to the winning team's charity.

The losing city must raise the winning hockey team's flag in front of City Hall, and will also have to send the losing city's mayor a sandwich accompanied with local craft beer. Montreal will send their iconic smoked meat sandwich, while Toronto will send a peameal bacon sandwich from St. Lawrence Market.

Tory adds that the winning city will get bragging rights at the next Big City Mayor's Caucus meeting.

If the Leafs and the Habs make it to Game 6, 2,500 fans will be allowed to watch the game live at the Bell Centre — the team announced on Twitter that 12% seating capacity will be permitted starting on May 28.