Budget Alternatives to Mox Opal

Gravestone Strider $0.06 2 · Golem {1}: Add one mana of any color. Salvaged Manaworker $0.07 2 · Construct {1}: Add one mana of any color. Shire Scarecrow $0.10 2 · Scarecrow Defender Flywheel Racer $0.11 2 · Vehicle Vigilance Barrels of Blasting Jelly $0.17 1 · Artifact {1}: Add one mana of any color. Argent Sphinx $0.20 2UU · Sphinx Flying Kuldotha Phoenix $0.23 2RRR · Phoenix Flying, haste Spire of Industry $0.25 Land {T}: Add {C}. Brotherhood Scribe $0.29 1W · Human Artificer Metalcraft — {T}: You get {E} . The Seedcore $0.29 Sphere {T}: Add {C}. Pyramid of the Pantheon $0.37 1 · Artifact {2}, {T}: Add one mana of any color. Hall of Oracles $0.38 Land {T}: Add {C}. Mirrex $0.44 Sphere {T}: Add {C}. Endurance Bobblehead $0.76 3 · Bobblehead {T}: Add one mana of any color.