this card influences the att point of a fleet.
it can be stacked twice
8 turns
duration 12 hours
select target fleet: ....
select attribute (Round Shot, Bronze Cannon, Copper Plating, Iron Scantling or Double Hammocks, Cotton Sails)
the selected fleet will have a 2 to 4 point reduction of the targeted attribute.
(the exact reduction is random)
e.g. when all ships in the fleet have Bronze cannons on 10 then than this card lowers them to 6,7 or 8
a second card can either lower this a bit more or attack a different attribute.