Vexing Shusher | Magic: The Gathering
Formats Vexing Shusher is Legal in
Official Oracle Text for Vexing Shusher
: Target spell can't be countered by spells or abilities.
Official Rulings for Vexing Shusher
5/1/2008 : Vexing Shusher's ability won't prevent the targeted spell from being countered by the game rules (for example, if all its targets are illegal).