Amass 2, then the Army you amassed deals damage equal to its power to each non-Army creature. (To amass 2, put two +1/+1 counters on an Army you control. If you don't control one, create a 0/0 black Zombie Army creature token first.)
Near Mint - $800
Lightly Played - $600
Moderately Played - $600
Heavily Played - $500
Damaged - $400
Near Mint Spanish - $800
Lightly Played Spanish - $600
Moderately Played Spanish - $600
Heavily Played Spanish - $500
Damaged Spanish - $400
Foil Prices
Near Mint Foil - $1.700
Lightly Played Foil - $1.300
Moderately Played Foil - $1.200
Heavily Played Foil - $1.000
Damaged Foil - $900
Near Mint Foil Spanish - $1.700
Lightly Played Foil Spanish - $1.300
Moderately Played Foil Spanish - $1.200
Heavily Played Foil Spanish - $1.000
Damaged Foil Spanish - $900