Discordant Spirit

Discordant Spirit

Creature - Spirit | Power/Toughness: 2 / 2 (CMC 4)
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.