balloon card yugioh YU-GI-OH! - Illusion Balloons (SECE-EN053) - Secrets of Eternity - 1st Edition All monsters your opponent controls lose 300 ATK for each Balloon Counter on this card. Balloon Party Card Profile :

It's not showcasing Zacian's power, nor is it showing him in a destructive pose - it's an adorable sign of comfort, with Hop gently stroking the legendary 'mon as it looks over fondly at its trainer

The extreme version of that deck makes use of cloning effects to get a bunch of 6/6s with a milling attack trigger

In January 2021, a PSA 9 copy of the card sold for $233,000 , which at the time made it the most expensive Pokmon card ever sold at auction

There's also decks that care about copying but they frequently struggle to get critical mana to go off and double something the first time, so this very much could set you up to generate infinite casts of a spell