Alex Vasile

Line 157 is: https://github.com/magefree/mage/blob/9084180937f7f7a7ad8f42d615b59633202a426b/Mage.Common/src/main/java/mage/view/StackAbilityView.java#L157 I have a feeling it's `game.getCard` which is returning null since the clue is gone, so `.getIdName()` will cause the NPE.

Does the current testing suite support catching a bug like this?

[[Dauthi Voidwalker]]

Might be an AI issue since the game log shows that the AI had it under their control

I was looking through to see about all of the other cards that have `addCounters` and `removeCounters` methods to see if any of those also need to be modified. It...

> > I was looking through to see about all of the other cards that have `addCounters` and `removeCounters` methods to see if any of those also need to be...

I know nothing of this game mode, but this isn’t the first bug from it. I think this needs a custom testing class, similar to the different variations we have...

I think this is from [[Salvaged Manaworker]].

 Pretty sure it's the Manaworker. Here's the board from the most recent time it crashed.

This sounds similar to the issue in #8584. See my current preliminary work on it in #9268.