Full Art Granny or Irida?

Spend points for full art Granny or Irida? Granny would enable mission completion for Shaymin emblem but Irida use case is better. I think I know my answer but want to ask ya’ll before committing.

Spend points for full art Granny or Irida? Granny would enable mission completion for Shaymin emblem but Irida use case is better. I think I know my answer but want to ask ya’ll before committing.