Vanishing 3
Imprint — When Idris enters, exile another artifact you control until Idris leaves the battlefield.
Idris has all activated and triggered abilities of the exiled card and gets +X/+X, where X is the exiled card's mana value.
(13/10/2023)
If the exiled card has an in its mana cost, the value of X is 0 when determining that card's mana value.
(13/10/2023)
Activated abilities contain a colon. They're generally written "Cost: Effect." Some keyword abilities, like equip, are activated abilities and they have colons in their reminder text.
(13/10/2023)
Triggered abilities use the word "when," "whenever," or "at." They're often written as "Trigger condition, effect." Some keyword abilities, such as prowess, are triggered abilities and will have "when," "whenever," or "at" in their reminder text.