The role that this team would have at Wizards might be a bit tricky for an average consumer to grasp, ironically, but the Consumer Insights team typically can "help companies map their customer journey and identify any gaps where there might be some, as well as find what works best, and what can be improved for a better user experience and customer journey, from awareness to purchase and advocacy," according to an article by Trustpilot.com
Once the card came out, I asked players to see if finally they got that the creature was being crushed by giant parentheses and they still didn't even with the giant yellow sticky note, which somehow makes the yellow sticky note joke even funnier
You get to see very creative builds and combos and the metagame is ever changing due to new combos being discovered and new decks being tested in tournaments
Sagas Build around Saga enchantments that trigger powerful chapter abilities over multiple turns
You can use it to ramp yourself via Fetchlands, double down on powerful enters or leaves abilities, and everything in between