Counter target blue instant spell.
Wort had a raiding-bellow that could shatter steel, melt auras, and slice countermagic in half.
Illustrated by Matt Cavotta · Shadowmoor · #208
There are no rulings for Guttural Response.
Counter target artifact spell.
Choose one —
• Counter target blue spell.
• Destroy target blue permanent.
: Counter target black spell.
Counter target instant or Aura spell that targets a permanent you control.
• Counter target spell if it's blue.
• Destroy target permanent if it's blue.
Counter target instant spell if it's blue.
Draw a card at the beginning of the next turn's upkeep.