Bazaar of Baghdad

The original looting engine, and the card that made "the graveyard is a resource" a strategy rather than a side effect. Tapping for no mana is the structural trick: the activation is free in tempo terms, so the three-for-two card disadvantage on paper becomes raw selection in practice, and the discarded cards are not lost but deployed. Every Dredge, Madness, Reanimator, and graveyard-combo shell built in the decades since lives in its shadow, because nothing else turns a land drop into a repeatable engine that fills the yard while digging for the payoff. The Arabian Nights printing also locks the card in the Reserved List, which is why its legacy is partly archaeological: the design space it opened (Faithless Looting, Thought Scour, the cycling lands, Wild Mongrel, the dredge mechanic itself) has been explored across thirty years of sets, but the original instrument remains a colorless, mana-free, land-slot engine that no later printing has been allowed to functionally reprint. The closest descendants all pay a tax Bazaar does not: a mana cost, a card, a tempo step, a color requirement. What makes it singular is not the rate of the effect but the slot it occupies; a land that is also an engine, with no opportunity cost beyond the land drop itself.