Full-res shots from this page.

Gatling Twilight was the best representation of color spray I could think of. It was kind of hard to put together given that the original pose didn’t have these poofy outfits in the way, so Pinkie’s doing a bit more of a Mr. Fantastic impression than usual.

Rainbow Dash has the best frustrated expressions, so I thought it would be hilarious if she finally got the big combat encounter she’d been wanting all this time… and then had absolutely terrible dice luck and couldn’t hit anything without help.

‘Isabela’ was supposed to have an AC that was just one point too high for Applejack to reliably hit (hence the grandstanding and expressions of smugness), but I see that isn’t happening. Oh well.