Fervent Champion
Creature — Human Knight
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 abilities you activate that target this creature cost 
less to activate.
2018 World Champion Javier Dominguez
Steve Argyle
Throne of Eldraine Promos (PELD)
• #124pRulings
Fervent 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.
(wotc • 2019-10-04)
Rulings
Fervent 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.
(wotc • 2019-10-04)