This clever engine turns your defensive wall into a high-powered mana dynamo by leveraging a remarkable transformation. Thanks to The Flesh Is Weak, your Overgrown Battlement is cleanly turned into an artifact creature as soon as it receives its +1/+1 counter upon the enchantment's entry. Once it is an artifact creature, you can spend two of the green mana generated by Overgrown Battlement's own tapping ability to activate Voltaic Construct, untapping the Battlement so it can tap again for an even greater net surplus of green mana. Repeating this loop yields infinite green mana and infinite untaps of your artifact creatures, capitalizing entirely on the synergy between these three distinct pieces.