Priority - End of Turn

Hello,
I just started using Forge and absolutely love it!
One thing I can't figure out is, how can I prevent passing turn when I want to do things on my end step?
I'm trying to cast Necrologia and just cannot figure it out!
thanks
I just started using Forge and absolutely love it!
One thing I can't figure out is, how can I prevent passing turn when I want to do things on my end step?
I'm trying to cast Necrologia and just cannot figure it out!
thanks