pokemon 25th anniversary cards charizard V by Peter Promo — Graded Card CCC 8.5 cementing its place as a must 2021 Pokemon Japanese Promo Card

In addition, each Prerelease Pack has one of six borderless scene cards that make up Bilbo's Birthday Party scene included as a foil-stamped traditional foil promo card

So your rating is in line with my own experience playing with and against Library

For example, cards like Angel of Jubilation and Yasharn, Implacable Earth can be used to prevent an opponent Sacrificing their own creatures, and Tarjuru Preserver or Sigarda, Host of Herons stops foes from forcing you to Sacrifice creatures

Saheeli generates a point of energy whenever you play an artifact or an artificer, and then has the option to spend three energy, at the start of combat, in order to create a 5/5 artifact creature token that's a clone of another permanent that you control