Nev. Rev. Stat. § 133.130
If, after the making of any will, the testator executes a valid second will that includes provisions revoking the first will, the destruction, cancellation or revocation of the second will does not revive the first will unless:
[9:61:1862; B § 820; BH § 3008; C § 3079; RL § 6210; NCL § 9913]—(NRS A 1999, 2257; 2017, 1672)