Name:Siege Dragon
ManaCost:5 R R
Types:Creature Dragon
PT:5/5
K:Flying
T:Mode$ ChangesZone | Origin$ Any | Destination$ Battlefield | ValidCard$ Card.Self | Execute$ TrigDestroyAll | TriggerDescription$ When CARDNAME enters the battlefield, destroy all Walls your opponents control.
SVar:TrigDestroyAll:AB$ DestroyAll | Cost$ 0 | ValidCards$ Wall.OppCtrl
T:Mode$ Attacks | ValidCard$ Card.Self | TriggerZones$ Battlefield | Execute$ TrigDmg | IsPresent$ Wall.DefenderCtrl | PresentCompare$ EQ0 | TriggerDescription$ Whenever CARDNAME attacks, if defending player controls no Walls, it deals 2 damage to each creature without flying that player controls.
SVar:TrigDmg:DB$ DamageAll | ValidCards$ Creature.withoutFlying+DefenderCtrl | NumDmg$ 2 | ValidDescription$ each creature without flying that player controls.
SVar:HasAttackEffect:TRUE
SVar:Picture:http://www.wizards.com/global/images/magic/general/siege_dragon.jpg
Oracle:Flying\nWhen Siege Dragon enters the battlefield, destroy all Walls your opponents control.\nWhenever Siege Dragon attacks, if defending player controls no Walls, it deals 2 damage to each creature without flying that player controls.