17 cards where the text includes “adamant” and (the card is available on Paper) and the set is “eld”

Ardenvale Paladin (Throne of Eldraine #4)
Cauldron's Gift (Throne of Eldraine #83)
Clockwork Servant (Throne of Eldraine #216)
Embereth Paladin (Throne of Eldraine #121)
Foreboding Fruit (Throne of Eldraine #88)
Garenbrig Paladin (Throne of Eldraine #157)
Henge Walker (Throne of Eldraine #221)
Locthwain Paladin (Throne of Eldraine #93)
Once and Future (Throne of Eldraine #168)
Outmuscle (Throne of Eldraine #170)
Rally for the Throne (Throne of Eldraine #25)
Searing Barrage (Throne of Eldraine #140)
Silverflame Ritual (Throne of Eldraine #30)
Slaying Fire (Throne of Eldraine #143)
Turn into a Pumpkin (Throne of Eldraine #69)
Unexplained Vision (Throne of Eldraine #70)
Vantress Paladin (Throne of Eldraine #72)

The arc of my blade has carved a path of light to the end of these results.