The cycle wouldn't be completed for another eight years, when Liesa, Shroud of Dusk was added in Commander Legends (and then Liesa, Forgotten Archangel in Innistrad: Midnight Hunt)
And of course you can cast it at the last possible moment, intimidating your opponents and threatening a counterspell all the while
The painlands (Karplusan Temple, Caves of Koilos) and Landscapes help with the colorless portion of the deck, but dual lands like Temples could use an upgrade
Because their deck lacks card advantage, long games favor you as once they run out of gas they struggle to get back in the game
That allows you to create a massive army of flying bodies to just crush your foes with
The all-time trend of 174.46% speaks volumes about how this elusive Darkrai GX continues to captivate collectors and investors alike