I was playing as Nahiri against a Vraska. I attacked with Inferno who had armor from a Shields Up as well as her Stoneforged Blade attached. I had the trap Molten Misstep prepped as well. My opponent had a non-flying, non-reach creature in play. Inferno generated the artifact for drawing a card and then play showed as switching to Vraska and nothing happened for around 5 minutes. Then the game crashed.