pokemon trading card game: mega evolution sleeved booster pack Bundle of 4 6 8 10 FACTORY SEALED Epic Pokémon TCG Expansion – Prepare for the biggest battles yet in the Mega Evolution expansion—perfect for collectors Pokemon Mega Evolution Perfect Order

I don't know of any lore that backs up my take on this, but the u makes them bigger or the o means they are smaller

While having a couple of newer versions (Thalia and The Gitrog Monster & The Gitrog, Ravenous Ride), I have this one as the best one

Best New Old Card: Bramblewood Paragon Before we move on to the top 3, I wanted to give out a Best New Old Card award

This ability will continue to trigger as long as the Attraction is on the battlefield and the exiled card remains exiled, even if Myra leaves the battlefield, loses her abilities, or changes controllers

Whenever Agent Frank Horrigan enters or attacks, proliferate twice