You have not used Instill Energy's ability this turn.
You control at least three enchantments.
Steps
Activate Sanctum Weaver by tapping it, adding at least ({W} magic symbol) ({W} magic symbol) ({W} magic symbol) or ({G} magic symbol) ({G} magic symbol) ({G} magic symbol) .
Activate Instill Energy by paying ({0} magic symbol) , untapping Sanctum Weaver.
Cast Minimus Containment by paying ({2} magic symbol) ({W} magic symbol) , attaching it to Instill Energy, causing it to become a Treasure artifact.
Activate Sanctum Weaver by tapping it, adding at least ({W} magic symbol) ({W} magic symbol) ({W} magic symbol) ({W} magic symbol) or ({G} magic symbol) ({G} magic symbol) ({G} magic symbol) ({G} magic symbol) .
Activate Instill Energy by tapping and sacrificing it, adding one mana of any color.
Mazzy's second ability triggers twice, exiling Instill Energy and Minimus Containment from your graveyard and allowing you to cast them until the end of your next turn.
Cast Instill Energy from exile by paying ({G} magic symbol) , attaching it to Sanctum Weaver.
Activate Instill Energy by paying ({0} magic symbol) , untapping Sanctum Weaver.
Cast Minimus Containment from exile by paying ({2} magic symbol) ({W} magic symbol) , attaching it to Instill Energy, causing it to become a Treasure artifact.