Rakdos colors are hardly lacking in ways to inflict self-burn, and will happily pay the risky price to play spells for so much cheaper
Farid, Enterprising Salvager Farid, Enterprising Salvager turns your fallen artifacts into Scrap tokens, which you can then sacrifice to goad creatures, pump Farid, or rummage
The Professional Advantage: Because QPMN uses industrial offset and digital presses, the cost per card drops significantly as you order more

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A common card that is a staple in popular formats, like an Alpha Lightning Bolt, can be worth hundreds, while countless bulk rares are worthless
Flow State is worse but very similar in nature, and you can get two cards from your top three with a certain consistency in a format that allows you to play spell-based cantrips like Brainstorm and Preordain