Activated abilities of artifacts can't be activated.
Legalities
Not Legal
Standardbrawl
Brawl
Penny
Future
Modern
Pauper
Alchemy
Pioneer
Historic
Standard
Gladiator
Oldschool
Historicbrawl
Paupercommander
Explorer
Timeless
Legal
Duel
Legacy
Vintage
Commander
Premodern
Predh
Oathbreaker
Rulings
2016-06-08
Activated abilities contain a colon. They’re generally written “[Cost]: [Effect].” Some keywords are activated abilities and will have colons in their reminder text.