Name:Nivix Barrier
ManaCost:3 U
Types:Creature Illusion Wall
PT:0/4
K:Flash
K:Defender
T:Mode$ ChangesZone | Origin$ Any | Destination$ Battlefield | ValidCard$ Card.Self | Execute$ TrigPumpCurse | TriggerDescription$ When CARDNAME enters the battlefield, target attacking creature gets -4/-0 until end of turn.
SVar:TrigPumpCurse:DB$Pump| ValidTgts$ Creature.attacking | TgtPrompt$ Select target attacking creature | IsCurse$ True | NumAtt$ -4
SVar:Picture:http://www.wizards.com/global/images/magic/general/nivix_barrier.jpg
Oracle:Flash (You may cast this spell any time you could cast an instant.)\nDefender (This creature can't attack.)\nWhen Nivix Barrier enters the battlefield, target attacking creature gets -4/-0 until end of turn.