AI activates champion of the weird but doesn't blight opponent

[burybone]

Describe the bug
The ai activates champion of the weird but their opponent doesn't blight

To Reproduce
Load the game state
Step through the ai's turn, see that phelia survives after the AI's entire board is clear

Expected behavior
You blight phelia when champion of the weird's ability is activated.

Screenshots
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Desktop (please complete the following information):

• OS: windows 10
• Browser [e.g. chrome, safari]
• Version 2.0.09-snapshot

Smartphone (please complete the following information):

• Device: [e.g. iPhone6]
• OS: [e.g. iOS8.1]
• Version

Additional context
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[burybone]

champion_bug_example.txt

[fediazgon]

There is also an issue with Champion of the Weird when you put the counters first but then cancel paying life, the counters are not refunded.

[fediazgon]

Actually, @Hanmac , do you mind chiming in? Assume this ability:

Pay 1 life, Blight 2: Target opponent blights 2. Activate only as a sorcery.

Currently, we order these costs so first you Blight 2, and then you pay 1 life. In the UI happens like:

1. UI asks to Blight 2. You select a creature.
2. Accept/Cancel.
3. UI asks if you want to pay 1 life.
4. Accept/Cancel.

If at 4 you cancel, are we supposed to undo all costs (in this case Blight 2)?

The code looks like:

  for (final CostPart part : this.paidCostParts) {
      if (part.isUndoable()) {
          part.refund(sourceCard);
      }
  }

But I am not sure what makes a cost isUndoable? Currently Blight is not undoable. But I assume you cannot activate an ability unless you paid all the costs, so just cancelling some of the costs does not sound right to me.

I think the problem in this case is that Blight itself is not undoable, but when it's part of a cost chain we need to allow to undo the previous costs in case the player cannot pay some of them.

Let's move the discussion to #9558.