60 card deck yugioh Cards Pack w/XYZ + Rares & Holos + Box & Sleeves : Toys & Games NorthBlue C.P.A.D. Yugioh Orica Anime

Fortunately, Erika isnt a rare card, and unless youre after her 2-star variant, you can unlock her fairly early in the game

Classic Collection Classic Collection Secret Rare Classic Collection Classic Collection Classic Collection Classic Collection Classic Collection Classic Collection Classic Collection Classic Collection Classic Collection Classic Collection Rare Holo VMAX Rare Holo VMAX Classic Collection Rare Holo V Classic Collection Rare Holo V Classic Collection Classic Collection Rare Holo V Rare Holo Classic Collection Classic Collection Prices shown assume Near Mint condition and are indicative only, market prices may vary

Throne of Eldraine A fantastic inclusion to single-color or even two-colored decks, Throne of Eldraine is an expensive mana rock that adds a ton of value to your mana base

This card isnt exactly great in Commander

However, for Brainstorm to truly shine, you need some kind of combination of cards for it to be really good

Credit: Wizards of the Coast The Drum, Mining Facility FromTheShire: Real risk reward between a massive game winning pump effect and accidentally ending your turn and probably getting killed because everyone saw how threatening you were, excellent