Your search for "Dispersal Shield 33" revealed the following:
Dispersal Shield (SCG) from Scourge, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Dave Dorman Card Text:Counter target spell if its converted mana cost is less than or equal to the highest converted mana cost among permanents you...
Dispersal Shield (Foil) (SCG) from Scourge, available at 401 Games Canada. Rarity: Common Finish: Foil Artist: Dave Dorman Card Text:Counter target spell if its converted mana cost is less than or equal to the highest converted mana cost among permanents...