Override
Mana cost
Mana value3TypeInstant
Color identity
Blue
RarityCommon
SetMirrodin (MRD)
ArtistHugh Jamieson
Price€0.07 · foil €0.57 · $0.18
Override 

Instant
Counter target spell unless its controller pays
for each artifact you control.
"The Knowledge Pool has all the answers—especially 'No.'"