1 Apr 2008
This covers only artifacts that are on the battlefield.
1 Jul 2013
This effect applies to all activated abilities of artifacts, including mana abilities.
1 Jul 2013
This effect does not prevent triggered abilities from triggering and it doesn’t stop the effects of static abilities.
8 Jun 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.