Soldevi Excavations

The "painland" tax model done with a comma rather than a downside: instead of dealing you damage or entering tapped, this land charges its entry fee up front by eating an untapped Island. That conditional sacrifice is the whole design. It cannot fix a color it isn't already supporting (you need an Island in play and untapped to even cast the spell, so to speak), which keeps it honest in a way most fixing isn't, and it punishes a flooded board far less than a screwed one. What you buy with that Island is a land that taps for both colorless and blue and, more importantly, turns excess mana into card selection. Scry as a repeatable land ability was rare for its era; here it gives a control deck something to do with lands it would otherwise sit on, smoothing draws across a long game without committing a card to the cause. The Island-sacrifice clause is also the safety valve that lets the scry rate stay cheap: you can only run so many of these before the manabase eats itself, so the engine is self-limiting by construction rather than by templating. It is a quiet piece of mid-90s blue-deck plumbing, built for the grind rather than the splash, and the kind of land that rewards being the only copy in the deck.