Errr

[Stapled]

I'm pretty sure you're going to receive a message afterward stating that your purchase is void due to insufficient funds. Unless I'm missing something.

If that doesn't happen then chances are they're just going to take that money from your bank when they get notice that you have the amount of money you owe. Scenario A has more likelihood though.

It was a steam gift and they already got it.

[Drakonid]

It was a steam gift and they already got it.

They can erase the game from the account.