If target creature has toughness 5 or greater, it gets +4/-4 until end of turn. Otherwise, it gets +4/-X until end of turn, where X is its toughness minus 1.
Near Mint - $13.300
Lightly Played - $10.600
Moderately Played - $9.300
Heavily Played - $8.000
Damaged - $6.700
Near Mint Spanish - $13.300
Lightly Played Spanish - $10.600
Moderately Played Spanish - $9.300
Heavily Played Spanish - $8.000
Damaged Spanish - $6.700