Name:Dispersal Shield
ManaCost:1 U
Types:Instant
A:SP$ Counter | TargetType$ Spell | ValidTgts$ Card | ConditionCheckSVar$ X | ConditionSVarCompare$ LEY | SpellDescription$ Counter target spell if its mana value is less than or equal to the highest mana value among permanents you control.
SVar:X:Targeted$CardManaCost
SVar:Y:Count$Valid Permanent.YouCtrl$GreatestCMC
AI:RemoveDeck:All
Oracle:Counter target spell if its mana value is less than or equal to the highest mana value among permanents you control.
