Yes, there are multiple rarities of Pokemon cards beyond rare, and youre not guaranteed to get a Hyper Rare card (the highest rarity) even if you buy an entire box of booster cards
You can also activate Urza at instant speed, so it is very low opportunity cost to keep mana open in this deck
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So, I had spent hours scribbling out designs and so many playtests trying this out
What are golden Pokmon cards
Want to check out what you can find in specific Disney Lorcana booster packs