Budget Alternatives to Sonic Screwdriver

Urn of Godfire $0.07 1 · Artifact {2}: Add one mana of any color. Wose Pathfinder $0.09 1G · Human Shaman {T}: Add one mana of any color. Spinning Wheel $0.10 3 · Artifact {T}: Add one mana of any color. Necra Disciple $0.10 B · Human Wizard {G}, {T}: Add one mana of any color. Turtle Lair $0.18 Land {T}: Add {C}. Scuttlemutt $0.20 3 · Scarecrow {T}: Add one mana of any color. Cave of Temptation $0.20 Land {T}: Add {C}. Captivating Cave $0.20 Cave {T}: Add {C}. Exploding Barrel $0.31 3 · Artifact {T}: Add one mana of any color. Hall of Oracles $0.38 Land {T}: Add {C}. Weather Maker $0.60 3 · Artifact Landfall — Whenever a land you control enters, put a charge counter on this artifact. Endurance Bobblehead $0.76 3 · Bobblehead {T}: Add one mana of any color. Agility Bobblehead $1.00 3 · Bobblehead {T}: Add one mana of any color. Manifold Key $1.05 1 · Artifact {1}, {T}: Untap another target artifact. Hidden Hideout $1.47 Land This land enters tapped.