Battlegrounds Compositions

When and How to build Mechs in Battlegrounds

Compositions are one of the toughest aspects of Battlegrounds. We hope our guides to Mechs & all other tribes help you learn.

A common problem that struggling players have is figuring out for what cards they should be looking. One of my tips on how to improve in Battlegrounds is knowing what minions you should be searching for so you know how to spend your gold. But before you can do that, you have to know the optimal builds that can win you the game. Here are the optimal end game builds for Mechs as of Patch 20.8.0. For our complete Battlegrounds composition series, click here!

There are two builds of Mech viable currently in Battlegrounds. The first I call Deflect-o-Bot Mech, and the second is a build focusing on Mech & Deathrattles.

Note: Amalgadon is the best minion in the game because it can scale high, get divine shield, and poison. But do be careful with it’s battlecry, if you fail, it can set you back really hard. It’s only consistent if Mechs and Murlocs are in the lobby.

Mech Buff Patch 20.8.0

Editors note: Since the release of this composition guide, Deflect-o-Bot received a significant buff. Overall the gameplay is unaffected, but the composition is likely to become more contested from patch 20.8.0 onward.

When should you go for the Deflect-o-Bot build?

There are two situations where I would choose to go with the Deflect-o-Bot build. The first is when I can find two Deflect-o-Bot’s in the lobby. It’s an early win condition that is easy to work with, made much better if I am a hero that gives buffs such as Edwin Vancleef, Rakanishu, and of course, Millificent Manastorm.

The other situation I would do the Deflect-o-Bot build is if I am struggling. In the early game, mechs have a substantial power spike. Having constant refreshing Divine Shields can give you wins while your opponents are still trying to stabilize or do early power levels.

What you need to know about the units for Deflect-o-Bot Mechs.

There are two key cards or composition dictator units you are looking for to succeed with Deflect-o-Bot Mechs. The first is in the name of the composition, Deflect-o-Bot. The second most important minion being Metaltooth Leaper. 

After you find your required Deflect-o-bots, or if you commit to Mechs out of necessity, you are looking to add refresher minions for your Deflect-o-Bot’s divine shield. Any unit that summons a Mech works for this role. These units include Micro Mummy, Harvest Golem, Replicating Menace, Mechano-Egg, Security Rover, or in the late-game even a Kongor’s Apprentice. 

Besides these, there are several units you are looking for throughout the game to increase your Warband’s overall strength. Minions like Foe Reaper, Annoy-o-Module’s, Amalgadon, Iron Sensei, and Brann Bronzebeard allow you to scale well throughout the game but aren’t required to reach the top four with Deflect-o-Bot Mechs. 

The final important units to understand for Deflect-o-Bot Mechs are the Warband fillers. As you scale through the game, you often replace the 7th unit of your Warband to allow yourself to continue improving your board. Several temporary units stand out to fill this role as filler for Deflect-o-Bot Mechs. These include, but aren’t limited to, Selfless Hero, Deadly Spore, Maexxna, Baron Rivendare, Sneed’s Old Shredder, Gold Grubber, Qiraji Harbinger, Bolvar Fireblood, Drakonid Enforcer, Cobalt Scalebane, or even a Screwjank Clunker. Finding the right filler minion sometimes makes a world of difference and could mean the difference between winning and losing out early. Try and balance when you buy these minions and consider whether you need them against your next opponent.

How do I actually build the deflect-o-bot mech comp, though?

Mid game build for Deflect-o-Bot Mechs: 

Deflect-o-Bot | Deflect-o-Bot | Harvest Golem | Iron Sensei | (Any Refresher Mech) | Metaltooth Leaper

The common Late game build: 

Deflect-o-Bot | Deflect-o-Bot | Mechano-Egg | Security Rover | Brann Bronzebeard | Flex Pick (A Warband Filler or Refresh that you can sell to keep buying buff cards) | Golden Iron Sensei

The Ideal Deflect-o-Bot Build: 

Deflect-o-Bot | Deflect-o-Bot | Foe Reaper | Golden Mechano-Egg | Golden Iron Sensei | Amalgadon | Kangor’s Apprentice

Deflect-o-Bot Mechs has several strengths in the current Battlegrounds meta. For example, most of the build is possible at tavern four, meaning if you fall behind early, you don’t need to take a turn to raise your tavern before starting your recovery. Another advantage is a large amount of flexibility within the build throughout the early and mid-game, making it stronger than most other builds at that stage of a game. 

However, these strengths come at a cost. If you don’t find enough Metaltooth Leapers, for example, you can fall behind and not recover. That is especially an issue if more people are going with varieties of the Mech builds. Another downside is our weakness against compositions with fast scaling health. That is not even getting into the fact that our entire comp loses to Unstable Ghoul if someone counters us with it. 

Tips & tricks for Deflect-o-Bot Mechs

In addition, there are several things worth keeping in mind when playing this version of Mechs in Battlegrounds. While the ideal build has Amalgadon, Foe Reaper, and Kangor’s Apprentice, they are mostly unnecessary. Think of them as tech cards. Foe Reaper is ideal for the AoE, Amalgadon is highly versatile, and Kangor’s Apprentice can respawn two mechs for more refreshes.

Another common mistake I see people make is that they use Replicating Menace on a mech that already spawns a mech, which loses the benefit of resetting the shields of Deflect-o-Bot. The only exception is putting it on Mechano Egg; there are situations where that is fine because allowing the Egg to attack is more important than the loss in value. 

The final point I want to leave you with for this build is that you should use Annoy-o-Module wisely. While giving divine shield on your mechs is powerful, they will have taunt. You want your Deflect-o-Bot to be hit after they refresh, so they can get refreshed again and make use of their divine shields. 

When to play the Deathrattle Mech Build

The Kangor’s Build is a known unconventional build that is difficult to build into by normal means. The best time to work towards a deathrattle mech build is when you have key cards such as Baron Rivendare and Sneed’s Old Shredder or Kaboom Bot. That level of power should be able to defeat builds that are still trying to find their footing once you get Kangor’s Apprentice, your ability to scam games out of the opponent skyrockets. 

Deathrattle Mech is not a build you generally go towards but a build you can go with if you don’t find the conventional builds. Kaboom Bot is a common early game pick, and Sneed’s Old Shredder and Baron Rivendare are decent picks if you were to get a triple for a tier five. I would only press hard for this build if I have a Kangor’s Apprentice. If you are Greybough, this build is especially amazing with your hero power since it removes the potential for your opponent to snipe your Kangor’s Apprentice and Baron Rivendare unless they have a Zapp Slywick.

The important minions for the Deathrattle Mech Composition

Like the other Mech composition, there are several cards you can’t do without. Deathrattle Mechs succeeds by combining strong Deathrattles with Baron Rivendare and Kongor’s Apprentice. One of the strongest synergy minions is Sneed’s Old Shredder when combined with an Annoy-o-Module. 

Like with the Deflect-o-Bot Mech build, you often have a replacement slot, so knowing which minions you want to fill out your Warband is important. My personal favorites include Amalgadon, Khadgar, Kaboom Bot, N’Zoth’s Servant, Selfless Hero, Deadly Spore, Maexnna, or an additional Mechano Egg. 

What does the Deathrattle Mech composition look like?

Since Deathrattle Mechs is more of a pivot composition than something you play out of the gate, I’ll list my prerequisite minions before making the change. These include a Sneed’s Old Shredder, a Baron Rivendare, and some strong deathrattle minions like Kaboom Bot or Mechano Egg. 

The common late-game build:

Sneed’s Old Shredder | Sneed’s Old Shredder | Golden Kaboom Bot | Kangor’s Apprentice | Baron Rivendare 

The ideal Deathrattle Mech build:

Golden Kaboom Bot | Golden Sneed’s Old Shredder | Kangor’s Apprentice | Kangor’s Apprentice | Golden Baron Rivendare 

The Strengths and weaknesses of the Deathrattle Mech Build.

The Deathrattle Mech or Kongor build’s main strength is the immense damage potential it has when it wins rounds. With the large number of strong minions it generates throughout a fight, it sometimes just takes out someone on the verge of taking over a lobby. Another strength is that it’s strong, “out of the box.” What I mean by that is that you don’t require any further scaling minions beyond the initial setup. Once you find your minions, you are good to go right away. 

However, with a composition like this, it has several clear downsides. The first is that it is simply quite heavy on random chance. Getting weak minions from your Deathrattles sometimes just results in you losing the game, regardless of how favored you might’ve been. Another is the quite high requirement to get the composition going since there are several tier five and six minions you need to pull the build off. 

Like with the Deflect-o-Mechs build, the final downside is that a single minion counters your entire gameplan. In this case, Zapp Slywick, a minion that takes out our Baron Rivendare any chance it gets. 

For more Mewwy, find him on Twitch or read the latest guide to Captain Hooktusk instead.

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