Discordant Spirit

Creature - Spirit 2/2, 2BR (4)
At the beginning of the 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 on Discordant Spirit.¹
Illus. Alan Rabinowitz

Gatherer Card Rulings [Nov 2009]

• 10/4/2004: This will not count damage that was prevented.
• 5/1/2006: In Two-Headed Giant, triggers only once per end of turn, not once for each player.

Format Legality	Legal in Vintage, Legacy Banned in Extended, Standard
Printings (1/6)	Mirage (Rare)