Multiple Sprite Sheets for attacks?

[Scepii]

So I'm trying to set up a sprite sheet, but one of the sprites I'm testing with is to big for my grid.

I did double the size of the image to get more space for the sprite, but that takes way too much performance and it wont run. Doubling the size also doubles the size of the ones who actually fits. So I'm wondering.

Is there a way to have this attack be an unique sprite sheet I can switch to in battle? Instead of having them all in one.

I'm using Yanfly Sideview Enhancer (YED_SideviewBattler)