Le Filon maître, excavateur (The Motherlode, Excavator)

The Motherlode, Excavator

Legendary Artifact Creature

When The Motherlode, Excavator enters the battlefield, choose target opponent. You get an amount of E (energy counters) equal to the number of nonbasic lands that player controls.
Whenever The Motherlode attacks, you may pay . When you do, destroy target nonbasic land defending player controls, and creatures that player controls without flying can't block this turn.

5/5