Cheapest priced copy (Throne of Eldraine): $0.49 at Card Kingdom, near mint, their price list as of .
Fervent Champion 
Creature — Human Knight · 1/1 · Rare · Throne of Eldraine · #360
First strike, haste
Whenever this creature attacks, another target attacking Knight you control gets +1/+0 until end of turn.
Equip abilities you activate that target this creature cost {3} less to activate.
Legal inCommanderPioneerModernLegacyVintage
Not legal inBrawlStandardPauper
4 printings · $0.49 to $10.99 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Throne of Eldraine | 124 | Rare | $0.49 | $0.99 |
| Throne of Eldraine | 360 | Rare | $2.29 | $10.99 |
| Throne of Eldraine Promos | 124p | Rare | $0.49 | $2.49 |
| Throne of Eldraine Promos | 124s | Rare | — | $2.29 |
One ruling from Wizards of the Coast
- 4 October 2019Fervent Champion's last ability reduces only the generic mana in equip abilities. If those costs are only {3}, {2}, or {1}, that equip ability will be free to activate if it targets Fervent Champion.