Toph, the First Metalbender, Candelabra of Tawnos, and Matzalantli, the Great Door // The Core Combo

Toph, the First Metalbender, Candelabra of Tawnos, and Matzalantli, the Great Door // The Core

Here's how the cards Toph, the First Metalbender, Candelabra of Tawnos, and Matzalantli, the Great Door // The Core results in Infinite colored mana, Infinite mana lands you control can produce, Infinite untap of lands you control, Infinite untap of nontoken artifacts you control, and Infinite mana nontoken artifacts you control can produce

Toph, the First Metalbender

Candelabra of Tawnos

Matzalantli, the Great Door // The Core

Prerequisites

Toph, the First Metalbender on the battlefield
Candelabra of Tawnos on the battlefield
Matzalantli, the Great Door // The Core on the battlefield

Steps

Activate The Core by tapping it, adding at least
Activate Candelabra of Tawnos by paying and tapping it, untapping The Core and Candelabra of Tawnos as it is a land due to Toph
Repeat