You create an X/X colorless Horror artifact creature token, where X is the difference between those players' life totals
This sort of implies that Zacks initial +1/+1 token is, in a way, the SOLDIER conditioning he received that included genetic manipulation with Jenova cells
Sources: TCGPlayer: (1, 2, 3, 4, 5, 6, 7, 8, 9, 10) Created by Satoshi Taijiri, Ken Sugimori, Junichi Masuda Video Game(s) Pokemon Red and Blue, Pokemon Yellow, Pokemon Gold and Silver, Pokmon Crystal, Pokemon Ruby and Sapphire, Pokemon Sapphire, Pokemon Diamond and Pearl, Pokemon Platinum, Pokemon Black and White, Pokemon Black and White 2, Pokemon X and Y, Pokemon Sun and Moon, Pokemon Sword and Shield, Pokemon Scarlet and Violet, Pokemon Winds and Waves, Pokemon Legends Arceus, Pokemon Legends Z-A First Film Pokemon: The First Movie Latest Film Pokmon the Movie: Secrets of the Jungle First TV Show Pokmon First Episode Air Date April 1, 1997
When you do, return target creature card with power 3 or less from your graveyard to the battlefield tapped
Manufacturer :NINTENDO/CREATURES INC./GAME FREAK INC