This is likely a reference to the fact that Kyoji Yagumo Xyz Summoned her using the manga-only card Rank-Up Spider Web, whose effect allows the controller to detach an Xyz Material from an Xyz Monster they control, and then use that monster as the Xyz Material to Xyz Summon an Xyz Monster that is one Rank higher
As the rarest of the three Radiants, it carries both symbolic and market weight, often the first card collectors target when building Pokmon GO sets
You can only use each effect of "Lunalight Gold Leo" once per turn
This reduction can lead to significant savings over multiple spells
9 Elesh Norn, Grand Cenobite The first incarnation of Elesh Norn is the simplest of all the Praetors: she gives +2/+2 to all of your other creatures, and -2/-2 to all of your opponents
It will probably be a net-gain for you overall, but the mana you give your opponent early can really come back to bite you