Each time he banishes something, even if he's the one being challenged, he'll also get to deal two damage to another character
Luckily, the game gives you multiple ways to do so, including some which werent there when Genetic Apex first launched
You then get one lore for each one point of damage removed through Baymax
10 Final Fantasy TCG Corrects Some Issues With Older TCGs Final Fantasy Avoids Bad Draws By Giving Players More Options Like many TCGs, Final Fantasy takes heavy inspiration from Magic: The Gathering
The low curve fits the aggressive theme of the deck, while the cheap removal helps ensure you don't fall behind and can get ahead and stay ahead
There's also a separate subset called The Big Score, giving you a peek at what everyone's scheming after