Voltaic Construct + Sydri, Galvanic Genius + Astral Cornucopia

Voltaic Construct

Sydri, Galvanic Genius

Astral Cornucopia

How it works

1. Animate Astral Cornucopia using Sydri.
2. Activate Astral Cornucopia by tapping it, adding at least three mana of any color
3. Activate Voltaic Construct by paying 2, untapping Astral Cornucopia.
4. Repeat from step 2.

This clever loop lets you turn an innocuous-looking artifact into a boundless mana engine by cleverly weaving together static traits and active abilities. With Sydri, Galvanic Genius around to turn Astral Cornucopia into an artifact creature whose power and toughness scale up with its charge counters, the Cornucopia gains the unique capability to be targeted as a creature. Once it can be targeted, Voltaic Construct steps in to continuously untap it for a mere two mana. Because Astral Cornucopia taps to produce mana equal to its own charge counters, every iteration yields a net positive of mana once it holds three or more counters, effortlessly generating infinite colored mana and untaps for your artifact creatures.