A Keyword can be an ability.
§ 801.1 Core Rules PDF (officieel)
§ 801 A Keyword is a specific term that appears on Cards that acts as a shorthand for a specific game effect, or ability of any variety.
§ 801 A Keyword is a specific term that appears on Cards that acts as a shorthand for a specific game effect, or ability of any variety.
A Keyword can be an ability.