The copy is created on the stack, so it's not "cast" or "activated." Creating the copy won't cause abilities that trigger when a player casts a spell or activates an ability to trigger
More lines on a card not only makes it harder to parse from a voting standpoint, but also frequently indicates a card is doing too much
Aang, Air Nomad Assemble the Entmoot Chaosphere Finneas, Ace Archer Geist Trappers Kodama of the West Tree Lord of the Pit Lyra Dawnbringer Lys Alana Bowmaster Orim Scalpelexis Serra's Guardian Seton's Scout Sidar Kondo of Jamuraa Sphere Grid Spider Climb Spidersilk Armor Spinneret Sliver Tuktuk Rubblefort ther Web
Umbreon is one, and heres another: Vaporeon
The transformation depends on no spells being cast
So, if you're looking for these cards to add to your collection, you're always better off skipping the Gacha and purchasing the cards one by one