>guy casts a board wipe
>Look at his board real quick
>Notice he payed for it with a fetchland
>Inform him fetch lands don't produce mana
>I know, it's just a hassle to actually get the land so I just have it tap for whatever
>Tell him that's not how it works
>Gives me a death stare as he picks up his deck and finds a basic, then complains he's down a blue mana now.
The fuck