Dimir AqueductutilityBudget$0.22A Dimir dual land that provides both blue and black mana, with the added upside of virtual card advantage through land bounce. It fills a similar fixing role, though at a different tempo profile.
Dismal BackwaterutilityBudget$0.22A tapped UB dual land that gains 1 life on entry, closely matching Jwar Isle Refuge’s fixing plus life gain. It is one of the closest functional substitutes.
Choked Estuaryutility$0.35An untapped UB dual in many decks, giving the same colors without the guaranteed life gain. It is a stricter upgrade in speed if you can support the land types.
Underground Riverutility$1.93A painless UB dual that taps for either color immediately, trading away the life gain and tap-down for speed. This is a strong functional upgrade for two-color fixing.
Temple of Deceitutility$0.41A tapped UB dual land that scries on entry, offering similar fixing with extra selection instead of life gain. It serves the same early-game smoothing role.
Tainted Isleutility$1.04A budget UB dual source that can often produce both colors in two-color or black-focused decks. It is comparable as fixing, though it depends on your board state.
Sunken Hollowutility$0.38A UB dual that can enter untapped with basic land types, functioning as a higher-power upgrade in many deck builds. It preserves color fixing with better late-game flexibility.
Dreadship ReefutilityBudget$0.22A Dimir mana source that provides blue or black mana and can store counters for later use. While not a direct dual land, it fills a similar fixing role in slower control decks.