Drafna, Founder of Lat-Nam | Machine God's Effigy | Great Whale

Cards

You control up to seven lands that can tap to produce at least ({6} magic symbol) .

Activate up to seven mana-producing lands by tapping them, adding at least ({6} magic symbol) .
Cast
Machine God's Effigy by paying ({4} magic symbol) , choosing to have it enter the battlefield as a copy of
Great Whale, except it's an artifact.
When
Machine God's Effigy enters the battlefield, it triggers, untapping up to seven lands you control.
Activate
Machine God's Effigy by tapping it, adding ({U} magic symbol) .
Activate
Drafna's first ability by paying ({1} magic symbol) ({U} magic symbol) , returning
Machine God's Effigy from the battlefield to your hand.
Repeat.