Your search for "Guttural Response 56" revealed the following:
Guttural Response (SHM) from Shadowmoor, available at 401 Games Canada. Rarity: Uncommon Finish: Normal Artist: Matt Cavotta Card Text:Counter target blue instant spell.
Guttural Response (DDS) from Duel Decks: Mind vs. Might, available at 401 Games Canada. Rarity: Uncommon Finish: Normal Artist: Ben Wootten Card Text:Counter target blue instant spell.
Guttural Response (Foil) (SHM) from Shadowmoor, available at 401 Games Canada. Rarity: Uncommon Finish: Foil Artist: Matt Cavotta Card Text:Counter target blue instant spell.
Guttural Response - DDS Reprint (PLST) from The List, available at 401 Games Canada. Rarity: Uncommon Finish: Normal Artist: Ben Wootten Card Text:Counter target blue instant spell.