Name:Vengeful Dreams
ManaCost:W W
Types:Instant
A:SP$ ChangeZone | Cost$ W W Discard<X/Card> | Origin$ Battlefield | Destination$ Exile | TargetMin$ 0 | TargetMax$ MaxTgts | References$ X,MaxTgts | ValidTgts$ Creature.attacking | TgtPrompt$ Select target attacking creature | SpellDescription$ Exile X target attacking creatures.
SVar:X:Targeted$Amount
SVar:MaxTgts:Count$Valid Creature.attacking
SVar:RemAIDeck:True
SVar:Picture:http://www.wizards.com/global/images/magic/general/vengeful_dreams.jpg
Oracle:As an additional cost to cast Vengeful Dreams, discard X cards.\nExile X target attacking creatures.