Well, to simplify it a bit, Battle Decks (also called ex Battle decks in the current era) are your most basic form of battle deck
Mutual Benefits At face value, cards like Persistent Petitioners or Relentless Rats are relatively low-impact
Belle - Accomplished Mystic #226 - $316.07 Set: Fabled Rarity: Enchanted Collector Appeal: Combination of playability and mysticism from a fan-favorite Disney Princess Belle - Accomplished Mystic takes the number five spot due to it's recent release as well as it's potential low-cost healing effects with the Shift mechanic
Conversely, Carth the Lion wont add additional counters when your planeswalker enters the battlefield, but he will add a counter even on a minus ability
Pest Summoning is fine on rate, and I appreciate the flavor text
The Pokmon TCG Pocket meta has evolved to a point where its less about the flavor of month, and more about a series of stalwart archetypes that can be customized based on the cards in your collection