Being integral to Kalos's story and lore, AZ has lived for thousands of years searching for his special partner, Eternal Flower Floette
As soon as the end step begins, Obeka can be tapped to cancel those effects as the turn ends
"Gishki Emilia" and "Gishki Natalia" are Spirit monsters because they are the lingering spirits of dead characters of the "Gishki" storyline: "Natalia" died when she and "Gishki Noellia" (then still the "Judge" and "Revealer of the Ice Barrier" respectively) tried to unseal the "Steelswarm" demons to defeat the "Fabled", as shown in the artwork of "Trial and Tribulation"
Then as the set is opened more and metagames evolve, most new card prices decrease steadily until they hit a stable value
Though the cost of discarding cards may seem tricky at first, Forbidden Droplets effect is very powerful with players able to combo into other discard/GY effects easily
The longer Heroic Outlaw stays in play, the more it can help, or be a threat.