Placing it at the very end of the Galarian Gallery was a deliberate choice by The Pokemon Company, a thematic capstone that positions Arceus as the final statement of the Sword and Shield era's most premium subset
If Ugins Labyrinth is indeed S tier, it will likely be in conjunction with Devourer of Destiny to get up to enough playable 7 drops to consistently get 2 mana off the Labyrinth
Id love to have the infamous Sorrows Path here, but Ive previously talked about it in an even more fitting list, so its time for Raging River to get the spotlight
Lux Artillery's last ability will check if there are thirty or more counters among artifacts and creatures you control as your end step begins
They could be the only cards you can shuffle
I do wanna note that most decks do have an answer, or a shred Pokemon like Duraludon VMAX [Crown Zenith], but sometimes you can catch some decks that dont have an answer