After activating Vivien's last loyalty ability, the delayed triggered ability it creates will put a creature card onto the battlefield before the creature spell that caused the ability to trigger resolves
Playing the games involves a whole lot of clicking, virtually manipulating the digital pieces of cardboard like you would in real life
Coronet, Rotom, Unidentified Fossil, Electric Memory, Looker, Yanmega, Pal Pad, Skuntank, Gardenia, Purugly, Floatzel, Missing Clover, Turtonator, Bronzong, Volkner, Cosmoem, Pokmon Fan Club, Gabite, Monferno, Fire Memory, Order Pad, Drifblim, Mars, Lopunny, Manaphy, Cynthia, Grotle, Escape Board, Alolan Dugtrio, Unit Energy LPM, Prinplup, Oranguru, Looker Whistle, Floatzel, Lillie, Magneton, Pal Pad, Luxio, Shieldon, Unidentified Fossil, Cherrim, Gumshoos, Ancient Crystal, Spiritomb, Rotom, Unit Energy GRW, Cosmoem, Looker, Yanmega, Purugly, Skuntank, Electric Memory, Turtonator, Mt
Don't worry, the vast majority of them are about design