You can ignore that effect for one turn if you pay two mana, but thats a hard thing to do when youre sat on a hand full of fetchlands
Like most Magic: The Gathering cards, the value of Big Score depends on a few consistent factors: its rarity, the printing and finish (regular or foil), its physical condition, and the set it was printed in (Secrets of Strixhaven Mystical Archive)
Aclazotz, Deepest Betrayal Momo, Friendly Flier Momo, Playful Pet Momo, Rambunctious Rascal Wingnut, Bat on the Belfry Zoraline, Cosmos Caller
This eventually grows Rielle into a big threat that can be your win condition, and you can play cards like Crackling Drake to complement this strategy
Starting Town Starting Town is a clever riff on Mana Confluence and City of Brass