Magic: The Gathering Arena

Magic the Gathering: Arena current version

Application Details:

Version: Current
License: Free to use
Votes: 1
Latest Rating: Garbage
Latest Wine Version Tested: 5.5

Maintainers: About Maintainership

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Free Download Official free to play client, version for Windows

Test Results

Old test results
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Selected Test Results

What works

Playing itself works perfectly, as far as I can tell. However, many workarounds were needed to get there, and some glitches remain (see below).

The game installs with the official installer.

Then the game downloads many files.

The game connects to the game servers.

Deckbuilding, matchmaking, and playing - all work.

What does not

The installer displays several graphical glitches, making it essentially impossible to read anything. However if you've done the installation previously (e.g. on Windows), you can figure out to just click Next a lot, at the bottom. The early check box is "create a desktop icon?", which I declined. As far as I know there is no workaround for these graphical glitches.

When the game downloads files, for example right after the initial installation finishes, intermittently the program will crash, displaying a "gcThreadContext" error. This is apparently a known bug ( See below for a partial workaround to this.


In order for MtgaLauncher.exe to run, I had to install dotnet 4.7.2. This in itself is a process, which you can google for more details. But the basic procedure is:

- create a 32-bit wine prefix;

- uninstall mono from it;

- set windows version to XP;

- install .net 4.0 (download from Microsoft);

- set windows version to 7;

- set mscoree.dll to native in winecfg -> Libraries;

- install .net 4.7.2 (also download from Microsoft).

Alternatively, you can use the latest winetricks to install dotnet472 (download the latest winetricks from the winetricks github - it's just a single file: a huge shell script). But for me, doing it with winetricks took much longer, because it installs many more intermediate versions of dotnet.

To get around the gcThreadContext crash while downloading files, you can just restart the game when it happens, and it'll continue downloading where it left off. However, if you'd like to go do something else while it downloads, you can minimize how many times the crash occurs, by running like this:

WINEDEBUG=+relay,-debug wine MtgaLauncher
This makes the game run much slower, but it steadily makes progress downloading, and can do so unattended. Sometimes it still crashes, but it's much, much less. Once it finishes downloading, exit the game, and run normally, without WINEDEBUG=+relay,-debug.

In order to connect to the game servers, I needed another workaround, and this one I couldn't find with google. The game was giving an error: "Unable to connect. Could not establish connection to environment: An exception has occurred while attempting to connect. wss://" (the exact address may vary). To fix this, I had to turn on IPv6 in my Linux kernel.

What was not tested

In game shop

Major game version changes

Hardware tested


  • GPU: AMD
  • Driver: open source

Additional Comments

Many thanks to DarkShadow4444 from FreeNode irc #winehq, who helped me produce and understand the wine debugging output, which helped me figure out that I had to turn on IPv6 in my kernel.

selected in Test Results table below
Operating systemTest dateWine versionInstalls?Runs?Used
ShowFedora 32 x86_64May 24 20205.5No, but has workaround No YesGarbageMarco Devillers 
ShowManjaro Linux 19.0.2Apr 17 20205.5Yes Yes YesSilvervries 
ShowArch Linux x86_64Apr 10 20205.5No, but has workaround No YesGarbageNate Droppo 
ShowDebian 10.x "Buster"Mar 23 20205.0Yes No NoGarbagethatCarpenter 
ShowUbuntu 19.04 "Disco" amd64 (+ variants like Kubuntu)Oct 05 20194.17No, but has workaround Yes YesGoldArthur Peters 

Known Bugs

Bug # Description Status Resolution Other apps affected
24501 wine-mono does not support WPF NEW View
45546 Magic The Gathering Arena updater: Unity fork of Mono-runtime reports 'Fatal error in gc, GetThreadContext failed' (suspension of Mono-managed threads sometimes exceed 100ms) NEW View
45937 Magic The Gathering Arena stops accepting any input after losing and regaining focus UNCONFIRMED View
47753 Magic The Gathering: Arena (MTGA) issue crashing on start UNCONFIRMED View

Show all bugs

HowTo / Notes

Fixing the "Fatal error in gc, GetThreadContext failed" crash when downloading game files

It is possible to overcome the "Fatal error in gc, GetThreadContext failed" crash when downloading game files by using a patched version of wine. (see the discussion here

For those using lutris there is a build with the patch enabled available called: tkg-mtga-x.xx


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