At just one creature, you get your normal mana rate
Frankly, I came away from my time with Lorcana deeply impressed and with my cynicism that it would be another shallow TCG cash-in entirely dispelled
A 7-grade version of this card sold for $35,000 in the summer of 2020, but a grade 10 version blew that price out of the water when it sold for $150,000 later that year. What appears to be the same card (currently, theres only one 10 grade known) is now being sold on eBay with a listing price of over $485,000
You cant stay mad at a face like that
In practice, this meant games were essentially a race to Lin Sivvi, and whoever would play their copy first would lock their opponent out of playing their Lin Sivvi, which allowed the first player to tutor up a bunch of Rebels and win the game
Craigslist is also an option, but don't be surprised if people are offering less than TCGplayer or eBay lowsCraigslist is a place folks go to find a deal