Newb Questions : MMM (Mythic Magic Missile)

[Bob Dobbs 875]

How does Abundant Casting interact with Mythic Magic Missile?

By my reading, it seems like a character with abundant casting should get extra magic missiles, since magic missile is a 'spell which can target multiple people'.

So, is it in theory possible to have a rank 10 mythic character do the following - spend 1 mythic charge to use mythic magic missile, spend 2 mythic charges to get the overcharged version, and then spend 1 mythic charge to get abundant casting?...

Which would, in this case, produce...

5 + 5 + 10, 20 magic missiles doing 2d4 + 2 each?

Forgive me if this is an ignorant question, I've been playing this game for only a week.

[Epic Meepo]

You are correct, but note that your 10 extra missiles from abundant casting would each have to target a different creature that was not targeted with any of your first ten missiles, since abundant casting only works by adding a number of new targets.