change one of their Levels to the current Level of the other, until the End Phase
But above all, the point was to have fun
There are also several variants of the 100 original "Chaos" forms ("Number C"), 4 "Shining" forms ("Number S"), 1 Rank-Down forms ("Number 39: Utopia Roots"), 2 Ranked-Up forms ("Number 39: Utopia Beyond" and "Number 99: Utopia Dragonar"), and 3 retrained counterparts of "Number 39: Utopia" ("Number 39: Utopia Double", "Number 39: Utopia Rising", and "Number 39: Utopia, Emissary of Light".) There are several variants of other "Numbers": the "Chaos" forms of the 7 Over-Hundred "Numbers" ("Number C10X"), and 4 versions of "Number 0" 3 "Number F" forms ("Number F0: Utopic Future", its signature move counterpart "Number F0: Utopic Future Slash", and "Number F0: Utopic Draco Future") and 1 "Shining" form ("Number S0: Utopic ZEXAL")
You do still need creatures for The Great Henge to draw cards, but it even helps you play the creatures so that you can draw more creatures
Infamous internet celebrity Logan Paul recently proved the value of these cards, as the streamer opened a pack of Pokmon cards worth over $2 million while streaming live on YouTube