I just lost a match in the Qualifier event because of a bug with Firebending Student. I activated Fire Nation Palace to give my Firebending Student firebending 4. Then I went to attack and I ordered the Firebending 4 ability to resolve before the Firebending X ability, so that I could use the 4 mana to cast a spell, increase its power due to prowess, and get more mana on the Firebending X ability. However, the game auto-resolved both abilities without giving me a chance to cast my spell even though I had mana and a castable spell at the time, so I'm not sure why the auto-passer didn't stop to let me cast a spell. Regardless, it cost me the game which was my 2nd loss and knocked me out of the event.