Creatures you control get +X/+0, where X is the greatest number of consecutive nonland, nontoken permanents in a mana curve you control. (For example, if you have permanents with mana value 3, 4, and 5, creatures you control get+3/+0. If you're missing 4, they only get +1/+0.)
Near Mint - $68,400
Lightly Played - $54,700
Moderately Played - $47,900
Heavily Played - $41,000
Damaged - $34,200
Near Mint Spanish - $68,400
Lightly Played Spanish - $54,700
Moderately Played Spanish - $47,900
Heavily Played Spanish - $41,000
Damaged Spanish - $34,200