A basic mini to help infiltrate the enemy's backline. A good one to upgrade if you can properly utilize its first star passive against certain opponents. Going higher gives it the cleave effect, which will help if the enemy's back line likes to group up.
Skill: Burrow
"Clash: Tunnel to the back of your opponent's board"
If there is a mini hugging the wall at the opposite column, Miner will still go all the way to the wall and push your opponent's mini to the closest open tile. This ability can be cancelled by stuns that are faster than this activation.
Star Upgrades
Surprise!
"Attacks gain Backstab"
Deals an additional +1 damage if you attack from behind an enemy.
Drain
"Attacks gain 1 Dissipate"
Big Shovel
"Attacks gain Cleave"
Attacks will become a wide swing, hitting all enemies in front arc.