Breena, the Demagogue 217 (Commander: Outlaws of Thunder Junction)

Flying Whenever a player attacks one of your opponents, if that opponent has more life than another of your opponents, that attacking player draws a card and you put two +1/+1 counters on a creature you control.

NM - $4.50
LP - $4.00
MP - $3.00
HP - $2.20
DMG - $2.20