While the cards in the deck did change as the archetype evolved, one boss monster was always constant, and Mirrorjade, the Iceblade Dragon, is one of the most iconic Wyrm-type monsters of all time because of this
It's that PSA 10 copy of the card that holds those two top spots
This ability only targets artifacts in your own graveyard, but putting any number of powerful cards isnt too terribly difficult and lets you turn your graveyard into a toolbox
You can attack with Ryu to tap it, then untap it after you've declared attackers to knock any potential blockers out of the way
If you cant attack for any reason, you can just smash your opponents Hulk Style with Caps main ability
The included guide explains every aspect of collecting, from identifying rare cards and building decks to tracking pulls in the Disney Lorcana app