BadgerMole

Spellcasting. The [BadgerMole] is a 1-level spellcaster. The [BadgerMole] has following spells prepared:
Cantrips (at will): [Shape Earth] 
1st level (3 slots): [Earth Tremor]

Blind Senses. The Badger Mole Mount can't use its blindsight while deafened and unable to smell.

Keen Smell. The Badger Mole Mount has advantage on Wisdom (Perception) checks that rely on smell.

Tunneler. The Badger Mole Mount can burrow through solid rock at half its burrow speed and leaves a 5x5-foot-diameter tunnel in its wake, and is able to take the rider with it.

Mounted. During a long rest, the badger mole can designate one creature that rode it within the last 10 days as its rider. The badger mole gains temporary hit points equal to 3 times the rider's level or challenge rating after completing the long rest. The badger mole uses its rider's proficiency bonus in place of its own proficiency bonus for AC, ability checks, attack rolls. saving throws, and the DC made to save against certain action effects.

Mounted Hardiness. The badger mole gains temporary hit points equal to 3 times the rider's level or challenge rating after completing the long rest. In addition, add the rider's proficiency bonus to the mount's armor class.

Swipe. +7 to hit, reach 10 ft., one target. 2d6+4 damage.

World's Descendant. Able to cast Shape Earth as a free action once each turn.

Ground Shaker. 3/Day. The Badger Mole is able to cast Earth Tremor at first level.

Into the Deep. The Badger Mole rushes a minimum of 10ft in a straight line, snatching a target into its maw. The target must make a DC 16 Strength saving throw or be dragged into the depths as the Badger Mole buries its prey, leaving the target restrained. The target can attempt to break free on each of its turns. If the target does not break free in a number of rounds equal to their Constitution modifier, the target then suffocates, rendering them unconscious.