But let's not dally further
Take a look at Dark type-shifted Charizard and other Pokmon from upcoming Obsidian Flame card set A fiery Eiscue is among the odd Tera-type cards
Youll need to look into the precious handful of cards that either add additional counters per trigger using replacement effects or allow you to trigger proliferate more often
Boros Reckoner, Stuffy Doll, Repercussion (careful with that one), Spiteful Sliver, Wrathful Red Dragon, Pariah, Pariahs Shield, as well as Dictate of the Twin Gods and other backup doubling effects
YCS japan events (last two were 4000 people), are just twice per year, so people goes, but it generates way more revenue overseas and every non latam YCS is close to 2000 attendees and they are hosted multiple times per year