Found that this card isnt working at all.

I'll get a replay if its absolutely needed but the way it turned out is pretty simple.

My Stardust Dragon was attacked and destroyed by battle and sent to the graveyard. I had Shadow Impulse face-down, waiting to use it on Beelze, King of Dark Dragons, Stardust Spark Dragon, or Scrap Dragon. I didn't even get the option to use it.

Thanks for the report.

This has been noted and will be fixed.

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This has now been fixed on the Usa/Eu servers.

If you want to use this offline you will need this script.

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