There are some mechanical threads connecting the team-up cards to the characters solo cards, but ultimately their implementation is purely flavor. Powerful Potential For better or worse, its unclear how much team-up cards will be used following March of the Machine
If you do, create a token thats a copy of that card and thats tapped and attacking
Arcana Force EX - The Dark Ruler - Special Summon its corresponding card
The actual card @benjolmes is looking for is the Japanese English version distributed in the Kanzenban VHS, which is reduced to a single sentence in the article and is not pictured
How to Get Erika Like all Supporter cards in the Genetic Apex expansion, Erika can be obtained through three methods: unlocking her from a specific booster pack, exchanging pack points, or drawing for her in Wonder Pick offers
Kodama of the East Tree is a common way to loop landfall triggers with a bounce land rather than by tapping and untapping a Walking Atlas