I'm watching the Fate series for the first time. And I recall...

Board 8

To me it's

Hypothetically GameFAQs Lancer brings out Gae Bolg immediately and can maybe win

F/SN Lancer doesn't open with his ultimate attack because they never do (DBZ don't either but they out parameter him too hard) and gets wiped out too hard in the opening exchange to use it.
No problem!
This is a cute and pop genocide of love!