In a strange twist of fate, one of the most annoying creatures in the multiverse was brought to the place where it could cause the most damage.

Mirrodin

Brown Ouphe

{1}{G}, {T}: Counter target activated ability from an artifact source. (Mana abilities can't be countered.)

{1}{G}, {T}: Counter target activated ability from an artifact source. (Mana abilities can't be targeted.)

"Ouphes love trinkets and love to take them apart. I only wish they wouldn't do so with the magical ones."
—Taaveti of Kelsinko, Elvish Hunter

o1o
G,oc
T: Counter target artifact ability requiring an activation cost. Play this ability as an interrupt.