The Bears of Littjara Another Saga that is being overlooked due to a weird theme is The Bears of Littjara
Archazias Island has a neat selection of enchanted cards that capture some of these legendary stories by mixing these characters into Lorcana's very own lore
you cant copy it with Riku, but it does play into the twosieness theme by forcing opponents to pay two mana per attacker
The incredibly powerful for what it is Thunderbolt attack isn't all happiness, because you have to discard all energy cards attached, but recharge allows you to search your deck for lightning energy, so it isn't all that bad
This card lacks a finite number, so who's to stop you from gaining, what, a couple trillion LP
Xolatoyac also has a second ability - untap all of your permanent with a counter of them at the beginning of your end step