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 - $1.30
Near Mint Non-English - $1.30
Lightly Played - $1.20
Lightly Played Non-English - $1.20
Played - $1.00
Played Non-English - $1.00
Heavily Played - $0.80
Heavily Played Non-English - $0.80
Damaged - $0.70
Damaged Non-English - $0.70