Other Somewhat Popular Sideboard Options Kitchen Finks is a main-deck card in some builds but is also used from sideboards to fight aggro by gaining some life and blocking twice
Equip Helm to Celebrant, make a new Celebrant on combat, attack and exert it, then repeat the process during your extra combat
Source The carddass collector says that the Pokemon carddass release was early than The base set of the media factory because it was September announcement
For some added chaos, you can simply choose to always play whichever card comes up, making things even more chaotic
Shockingly, however, the one-of-one The One Ring has been found
If you struggle to draw Raikou ex at the beginning, you can use Pichu to generate extra Energy or go with Zeraoras Thunderclap Flash ability along with Electrical Cord or Elemental Switch