pokemon card sets explained Pokémon Cards Explained: A Guide Japanese TCG Pokemon card explanation:

D26 $0 Mission Pokemon Cards: 4 1st Edition Base Set Pokemon Card D26 $0 Mission Pokemon Cards: 9 Non Holographic Promo Cards

Eris, Roar of the Storm was first released in the set Outlaws of Thunder Junction Commander, illustrated by Aurore Folny

The three mana is definitely awkward, as you won't be able to use it to protect a Violent Outburst as a Force of Negation would, but it does deal with more proactive answers such as Teferi, Time Raveler

My suggestions are: just a little section about what these cards actually are (ie

Give your Pokmon Japanese booster box a simple way to stay protected while on display or in storage

Decks run well with about 20 to 22 energy cards