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
There were also 27 additional chase cards not included in the setlist consisting of 12 die-cut embossed cards, 10 animation stick-on cards, and 5 clear cards
Myriad is a creature ability built for multiplayer formats like Commander
Honorable Mention Gisa's Bidding This four-cost sorcery makes two Zombies for blocking or getting in your swings and then rocks that madness three - not bad for keeping you alive and then getting in that swing or getting increased in size too
Vintage is not typically a place where one would really consider something like a 2/1 that generates a Treasure token to be ultimately a powerful card, but things have changed quite a bit in the format in that regards over time, and the power creep of both cards like Ragavan, Nimble Pilferer and Dragon's Rage Channeler is too hard to really ignore now