All Mech minions in Hearthstone Battlegrounds

Battlecruiser

Cord Puller

Divine Shield Deathrattle: Summon a 1/1 Microbot.

Enhance-o Medico

After you buy a minion, gain +3/+3 for each Bonus Keyword it has.

Interceptor

Lullabot

Magnetic At the end of your turn, gain +1 Health.

Sneed's New Shredder

Deathrattle: Summon the highest-Health minion from your hand and give it Divine Shield for this combat.

The Celestial Archive

Whenever you buy a Tavern spell that costs (0), get a copy of it.

Blue Volumizer

Magnetic. The first time this is played or Magnetized, your Volumizers have +3 Health this game (wherever they are).

Green Volumizer

Magnetic. The first time this is played or Magnetized, your Volumizers have +1/+1 this game (wherever they are).

Mechagnome Interpreter

Whenever you play or Magnetize a Mech, give it +3/+1.

Red Volumizer

Magnetic. The first time this is played or Magnetized, your Volumizers have +3 Attack this game (wherever they are).

Accord-o-Tron

Magnetic At the start of your turn, gain 1 Gold.

Annoy-o-Module

Magnetic Divine Shield Taunt

Auto Accelerator

Battlecry: Get a random Magnetic Volumizer.

Prosthetic Hand

Magnetic, Reborn Can Magnetize to Mechs or Undead.

Relentless Deflector

Has Taunt while this has Divine Shield. Avenge (3): Gain Divine Shield.

Rescue Bot

Taunt Deathrattle: Get a Repair Job.

Sub Scrubber

After you play a Mech, gain +3/+3.

Timewarped Annoy-o-Tron

Taunt Divine Shield Reborn

Timewarped Copter

Divine Shield Avenge (3): Get a random Mech.

Timewarped Mothership

Avenge (4): Get a random Protoss minion.

Timewarped Sensei

At the end of your turn, give adjacent Mechs +3/+3.

Box Cars

At the start of your turn, roll a 6-sided die. Discover a Tavern spell of that Tier.

Conveyor Construct

Deathrattle: Get a random Magnetic Volumizer.

Drone Duplicator

Divine Shield. Activate (1): The next Magnetization to this minion this turn happens an extra time.

Elementium Squirrel Bomb

Deathrattle: Deal 4 damage to a random enemy minion for each of your Mechs that died this combat.

Enchanted Sentinel

Magnetic Your Tavern spells give an extra +1/+1.

Gearfin

At the end of your turn, get two 1-Cost Tavern spells.

Glambot

Whenever you cast a spell on a Mech, Magnetize a 5/5 Satellite to it.

Piloted Whirl-O-Tron

Start of Combat: Copy your two left-most Deathrattles (except other Whirl-O-Trons).

Probius

Magnetic After you Magnetize this to a Mech, make it Golden.

Carrier

Avenge (4): Summon a 7/7 Interceptor. Then improve this permanently.

Charging Czarina

Divine Shield Whenever you cast a Tavern spell, give your minions with Divine Shield +4 Attack.

Clockwork Assistant

Battlecry: Discover a minion from a Tier higher than yours.

Colossus

Rally: Deal 2 damage to the target's neighbors. (Improves when you spend Gold!)

Immortal

Start of Combat: Gain the stats of adjacent minions.

Resourceful Robot

At the end of your turn, Magnetize a random Volumizer to this. Get a copy of it.

Spark Snapper

Whenever you play a Mech, Magnetize a 2/2 Satellite to it and improve this.

Support System

At the end of your turn, give a minion in your teammate's warband Divine Shield.

Timewarped Immortal

Start of Combat: Gain the stats of adjacent minions.

Timewarped Interpreter

Whenever you play or Magnetize a Mech, give your Mechs +3/+3.

Timewarped Wargear

Magnetic After you Magnetize this, double the target's stats.

Timewarped Whirl-O-Tron

Start of Combat: Copy your two left-most Deathrattles (except other Whirl-O-Trons).

Void Ray

Divine Shield. Whenever a friendly minion attacks, give it and this minion +5 Attack permanently.

Auto Reveille

After you buy 3 cards, Magnetize a random Volumizer to this and get a copy of it. (3 left!)

Falling Sky Golem

Divine Shield. Has +4/+2 for each Deathrattle you've triggered this game (wherever this is).

Transport Reactor

Magnetic Has +3/+3 for each time your team has Passed this game (wherever this is).

Utility Drone

At the end of your turn, give your minions +4/+5 for each Magnetization they have.

Polarizing Beatboxer

Whenever you Magnetize to a different minion, it also Magnetizes to this.

Accord-o-Tron Portrait

At the end of each turn, Magnetize an Accord-o-Tron to your left- and right-most Mechs.

Beatboxer Portrait

Get a Polarizing Beatboxer.

Boom's Monster Portrait

Get a Dr. Boom's Monster. At the start of every turn, get another.

Czarina Portrait

Get a Charging Czarina. Your Charging Czarinas also give Health.

Electrode Attractor

Magnetic Mechs cost (2). The Tavern offers an extra one whenever it is Refreshed.

Emergency Gearblade

At the end of your turn, cast Repair Job on your left-most Mech.

Inductive Gyroblade

At the end of your turn, get a 6/6 Magnetic Satellite. (Improved by each Tavern spell you've cast this turn!)

Inductive Gyroblade

At the end of your turn, get a 20/20 Magnetic Satellite. (Improved by each Tavern spell you've cast this turn!)

Mecha-Jaraxxus Sticker

Get 2 random Magnetic Mecha-Demons. At the start of each turn, get 2 more.

Reusable Batteries

After you buy a minion, get a Magnetic Satellite with its stats. (Twice per turn.)

Scraper Sticker

Get a random Magnetic Mech. At the start of each turn, get another.

Secret Schematic

After you buy a Mech, get a random Tavern spell that costs (2) or more.

Sky Golem Portrait

Get a Falling Sky Golem. Start of Combat: Give your minions "Deathrattle: Give your minions +3/+3 permanently."

Stormcoil Sticker

After 5 friendly minions die, get a random Mech. (5 left!)

Volumizer Portrait

Get a random Magnetic Volumizer. At the start of each turn, get another.

Volumizer Portrait

Get 2 random Magnetic Volumizers. At the start of each turn, repeat this.