Midgar, City of Mako // Reactor Raid

The Adventure template lets a single card slot do two jobs in sequence rather than at once, and that ordering is the whole builder's promise here. Cast Reactor Raid first as a sorcery that sacrifices an artifact or creature to draw two, then, because Adventure exiles the card instead of spending it, replay it later as a black-producing land when the mana matters more than the cards. That is the strategic axis: a slot that pays out as card advantage early and settles into a manabase fixture late. Both halves carry a deliberate cost that keeps the effect off the free-value pile. The sacrifice clause means the draw is contingent on having fodder worth converting: a spent token, a creature already marked for death, an artifact that has done its work, so you cash the spell when your board has surplus, not on curve for its own sake. The land side enters tapped, so folding the exiled permanent back in as your land drop always costs a turn of tempo. Neither cost is easily dodged; you pay a permanent to draw and a tapped turn to bring the land online. Where a spell-land split asks you to choose one mode at the moment of play, the Adventure structure hands you both across two different turns, which reshapes when the card is worth including at all: it wants a deck that generates disposable bodies and can afford to sequence its land drops around a delayed, tapped payoff.