At the beginning of each end step, if it's an opponent's turn, put a +1/+1 counter on Discordant Spirit for each 1 damage dealt to you this turn.
At the beginning of your end step, remove all +1/+1 counters from Discordant Spirit.
Near Mint - $0.90
Near Mint Non-English - $0.90
Lightly Played - $0.80
Lightly Played Non-English - $0.80
Played - $0.60
Played Non-English - $0.60
Heavily Played - $0.50
Heavily Played Non-English - $0.50
Damaged - $0.50
Damaged Non-English - $0.50