F it. Go bull in the ring style.
Hold a lottery. Each team draws a number, current standings have weighted odds of drawing higher numbers. When a number is pulled, remove that number from the lottery.
3 on 3 OT rules tournament. No shoot out, continuous OT.
#1 plays #2. Winner of said game plays #3. Winner of said game plays #4 and so on. If a winning team cannot continue to play they forfeit and the next lowest number slides in.
Final game is a full, regulation length, playoff style OT for the cup.
May the strongest team win.