Trial of the Forgotten Standard

The Trial of the Forgotten Standard is an ancient ritual going back to the founding of the First Kingdom. When a country loses their flag by forgetfulness or negligence, they can be required by the rescuers of said flag to submit to this trial. The country must gather what allies they can and fight their way across a bridge to recover their standard.

Rules

Country with the flag on defense
Country recovering the flag on offense
Any other players may join either team (or not)

Defending team have one (1) life each
Attacking team has unlimited rezzes
Bridge meatgrinder until attackers win