MTG Salvation

Questing beast, Embercleave, Unleash Fury, clean 20 damage. Or you know, 19 if they had a blocker.

Goblin Guide Tainted Strike Assault Strobe Unleash Fury 1BRRR 4-card OTK

Other than the 1cmc difference, is there a difference between how this works and how Rush of Blood works?

I don't think so. I assume it's just streamlined text. I certainly can't think of a circumstance in which it's different.