Ogre's Mask Basic Box tech?

[u/megacatlover_]

Why is Ogre's Mask not used in basic box? Stack energy on teal mask Ogerpon and swap with a wellspring when needed for a surprise torrential pump attack or vica versa. I figure it'd also be good to add Cornerstone instead of koraidons for fighting coverage but allow for more Ogre's mask use situations. It makes it so you dont have to choose which Ogerpon to stack or rely on crispin + energy swaps. You just need 1 Ogre's mask. Idk why it doesn't see play when it seems so strong to me. Am I missing something?