Gabite (5e Creature)
From D&D Wiki
Medium dragon, any alignment
Sand Veil. While in sandy terrain, the gabite has advantage on Dexterity (Stealth) checks, and can take the Hide action as a bonus action.
Tunneler. The gabite can burrow through solid rock at half its burrow speed and leaves a 4-foot-wide, 2-foot-high tunnel in its wake.
Multiattack. The gabite makes two dragon claw attacks.
Dragon Claw. Melee Weapon Attack: +6 to hit, reach 5 ft., one target. Hit: 10 (2d6 + 3) slashing damage.
Rough Skin. If a creature hits the gabite with a melee attack, it can use its reaction to deal 4 (1d8) slashing damage to the attacker.