Two, count em, two keyworded abilities, a small buff for another knight when it attacks (which it can do immediately, by the way), and a reduction on equip costs means Fervent Champion hits the field running and keeps pace the entire game
Each Connecting the Dots you control has its own set of face-down exiled cards
Finally, all prices will be from the cheapest available printing, so long as that version is still of mythic rarity
Its also plenty strong with a fun ability
(To mill a card, a player puts the top card of their library into their graveyard.) Demogorgon's Clutches requires its target to discard cards before milling cards
A bunch of Demons, along with Ardyn, the Usurper giving us a massive finisher to reanimate any of our Demons that our opponent kills