Voltaic Construct + Prismatic Geoscope + Workshop Elders

Voltaic Construct

Prismatic Geoscope

Workshop Elders

How it works

1. Animate Prismatic Geoscope using Workshop Elders.
2. Activate Prismatic Geoscope by tapping it, adding at least three mana of any color
3. Activate Voltaic Construct by paying 2, untapping Prismatic Geoscope.
4. Repeat from step 2.

This clever loop transforms a humble mana rock into an infinite color generator by leaning heavily on type manipulation and active abilities. Workshop Elders acts as the foundation here, granting your noncreature artifacts the creature type and stats they need—specifically targeting Prismatic Geoscope so it can both tap for mana and be legally targeted by creature-untapping effects. Once the Geoscope is a creature and producing at least three mana via its domain ability, you can funnel a portion of that bounty right back into Voltaic Construct to untap it for a mere two generic mana. Because the Construct's ability doesn't require tapping itself, this creates a closed-loop engine that spins out as much colored mana as your heart desires.