Your search for "wave of indifference 243" revealed the following:
Wave of Indifference (ONS) from Onslaught, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Greg Hildebrandt & Tim Hildebrandt Card Text:X target creatures can't block this turn.
Wave of Indifference (Foil) (ONS) from Onslaught, available at 401 Games Canada. Rarity: Common Finish: Foil Artist: Greg Hildebrandt & Tim Hildebrandt Card Text:X target creatures can't block this turn.