Is this supposed to be silly like Goblin Offensive? It's a 'super-fast' goblin without haste?

Haste was never the aspect of speed that I was looking for. I had meant to include doublestrike (though in retrospect I realized that without trample or some kind of evasion, doublestrike wouldn't accomplish much as a doublestrike creature will often be blocked).

The type of speed I was envisioning had to deal with being so quick that it could kill a creature before the opponent had time to react (more the feeling of You Are Already Dead and where doublestrike, if unblocked, would have been relevant). First strike could have fit though.

As for being a goblin, I am one of the people who prefer my fantasy without humans (or at least not from their perspective as they're so common in the real world which to me registers as less fantastic), so when throwing something into a vacuum, human as a creature type has to fight against other creature types. At the time, I just liked the idea of a goblin with this job.