Impact Resonance deals X damage divided as you choose among any number of target creatures, where X is the greatest amount of damage dealt by a source to a permanent or player this turn.
Near Mint - $0.70
Lightly Played - $0.60
Moderately Played - $0.50
Heavily Played - $0.50
Damaged - $0.40
Near Mint Spanish - $0.70
Lightly Played Spanish - $0.60
Moderately Played Spanish - $0.50
Heavily Played Spanish - $0.50
Damaged Spanish - $0.40