The Ring abilities are all tied to whatever creature is your Ring-bearer, so if that creature is killed, bounced, or otherwise neutralized, the benefits are lost until a Ring-bearer is chosen again
The rarity symbols in Disney Lorcana follow a logic where the more sides the shape has, the rarer the card is
I'm primarily a player of Limited Magic formats (Sealed and Draft), so sets without Limited aren't as interesting to me personally, and it turns out I wasn't alone
However, theres one last tip that is vital to keep in mind
Erikas Tangela, Lillies Clefairy from Journey Together, and Pikachu Scarlet & Violet Promo #088 are our personal favorites in this category
Like a bolt of lightning, Pokmon Black Bolt , and its other half White Flare, are difficult to catch before they're gone