Understanding the miracle trigger in-depth

[iamajellydonut]

So if i cast brainstorm, draw miracle as my first card, can i announce, then crack fetch and use the mana from the fetched land to cast terminus? Not sure how the order goes.

N-N-N-NECRO

Cast Brainstorm.
Draw your first card.
Reveal Terminus as the card drawn.
Keep Terminus revealed throughout resolution.
Finish resolving Brainstorm.
Miracle trigger is put onto the stack.
Activate fetchland and find a relevant land.
Miracle trigger resolves.
Use aforementioned land to pay for Miracle trigger.

[Tammit67]

N-N-N-NECRO

Cast Brainstorm.
Draw your first card.
Reveal Terminus as the card drawn.
Finish resolving Brainstorm.
Miracle trigger is put onto the stack.
Activate fetchland and find a relevant land.
Miracle trigger resolves.
Use aforementioned land to pay for Miracle trigger.

Keep the terminus revealed the whole time as well