You control up to seven lands that can tap to produce at least ({2} magic symbol) ({U} magic symbol) ({G} magic symbol) .
Steps
Activate up to seven lands you control by tapping them, adding at least ({6} magic symbol) ({U} magic symbol) ({U} magic symbol) ({U} magic symbol) ({G} magic symbol) ({G} magic symbol) ({G} magic symbol) due to
Nyxbloom Ancient.
Activate
Temur Sabertooth by paying ({1} magic symbol) ({G} magic symbol) , returning
Great Whale from the battlefield to your hand.
Cast
Great Whale by paying ({5} magic symbol) ({U} magic symbol) ({U} magic symbol) .
Great Whale enters the battlefield, untapping up to seven lands that can tap to produce at least ({2} magic symbol) ({U} magic symbol) ({G} magic symbol) .