Quest for the Fallen Star

Lands you control have '{2},{t}: Create a treasure token.

Whenever you tap an artifact to activate a mana ability put
a quest counter on Quest for the Fallen Star.

If there are seven or more quest counters on Quest for the Fallen Star exile it and return it transformed under its
owner's control.

"The Earth Bones call to me, singing in the deep. She rages against her prison, aching for freedom!" - Petra at the edge of The Glittering Caldera