Null Rod

Apr 1, 2008 · This covers only artifacts that are on the battlefield.

Jul 1, 2013 · This effect does not prevent triggered abilities from triggering and it doesn’t stop the effects of static abilities.

Jul 1, 2013 · This effect applies to all activated abilities of artifacts, including mana abilities.

Jun 8, 2016 · Activated abilities contain a colon. They’re generally written “[Cost]: [Effect].” Some keywords are activated abilities and will have colons in their reminder text.