If you play archangel of thune and extort it, does the extort resolve before or after the archangel enters the battlefield? In other words, does extorting it trigger it's ability?
In order for the extort trigger to happen you have to cast the angel first
Cast spell
Extort trigger payed
Now last in the stack is the first out
Extort resolves
Angel resolves.
Extort resolves first.
It will happen before the angel lands.
You cast angel goes on stack
Extort triggers an goes above the angel
Extort resolves then angel resolves
I run two Thunes in my Orzhov pillow fort.. I love it!