When Massacre Wurm enters the battlefield, creatures your opponents control get -2/-2 until end of turn. Whenever a creature an opponent controls dies, that player loses 2 life.
NM-Mint - $4.50
Lightly Played - $4.10
Moderately Played - $3.60
Heavily Played - $3.20
Damaged - $2.30
NM-Mint Non English - $4.50
Lightly Played Non English - $4.10
Moderately Played Non English - $3.60
Heavily Played Non English - $3.20
Damaged Non English - $2.30