"Harnessed" is a designation that the permanent has once an ability instructs you to harness it
John Dale: The emphasis on gender is striking to me, largely because Magic in English has tried hard to move away from gender-specific terms for sapient, non-legendary creatures
Wizards of the Coast, the company that produces Magic: The Gathering, has not publicly disclosed the exact font size used on their cards
column (and podcast)
They sit on the battlefield, not doing much on their own, and then suddenly become a mana sink to draw extra cards or fuel token, artifact, or sacrifice synergies
The powerful elemental rewards you for playing a good spread of permanent types and works well with self-mill (turning your graveyard into you hand), self-sacrifice, or simply as a Sultai value commander