You control a land that enters the battlefield untapped and can tap to produce at least ({1} magic symbol) .
Steps
Activate the land by tapping it, adding at least ({1} magic symbol) .
Activate Meloku's ability by paying ({1} magic symbol) and returning a land you control from the battlefield to your hand, creating a 1/1 Illusion creature token.
Activate Phyrexian Altar by sacrificing the Illusion token, adding one mana of any color.
The Illusion dies, triggering Minn's second ability, putting a land from your hand onto the battlefield.