Damping Matrix
Mirrodin
#161
Artifact
Activated abilities of artifacts and creatures can't be activated unless they're mana abilities.
The priests tried cursing it. The mages tried dispelling it. In the end, they all obeyed it.
Illustrated by Mike Dringenberg
Not legal
Standard
Legal
Modern
Not legal
Pioneer
Legal
Legacy
Legal
Vintage
Not legal
Pauper
Legal
Commander
Not legal
Brawl
Not legal
Historic
Legal
Penny