Name:Dispersal Shield
ManaCost:1 U
Types:Instant
A:SP$ Counter | Cost$ 1 U | TargetType$ Spell | ValidTgts$ Card | ConditionCheckSVar$ X | ConditionSVarCompare$ LEY | References$ X,Y | SpellDescription$ Counter target spell if its converted mana cost is less than or equal to the highest converted mana cost among permanents you control.
SVar:X:Targeted$CardManaCost
SVar:Y:Count$MaxCMCYouCtrl
SVar:RemAIDeck:True
SVar:Picture:http://www.wizards.com/global/images/magic/general/dispersal_shield.jpg
Oracle:Counter target spell if its converted mana cost is less than or equal to the highest converted mana cost among permanents you control.