pokemon trading card games scarlet & violet 3.5 Pokemon™ Series 3 Cards, 3 pk Pokemon Trading Card Game Scarlet

Whenever another nontoken Dragon enters the battlefield under your control, Miirym creates a token copy of it (and if it's legendary, the token isn't legendary!)

In their heyday, they inspired such unprecedented moves as the first balance-motivated ban in Vintage, a card being preemptively banned in Commander prior to release, and an entire mechanic being significantly reworked via official errata

Will it dominate cEDH

And they'd often toss in Sylvan Library too

In short, Shichifukujin Dragon was created to commemorate the opening of the DCI Tournament Center and 1996 World Champion is exactly what it says - the card was created as a prize for the winner of that tournament (Tom Chanpheng)