The Motherlode, Excavator (Extended Art) [Fallout]

Description

Set:	Fallout
Type:	Legendary Artifact Creature — Robot
Rarity:	Rare
Cost:	{3}{R}{R}

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 {E}{E}{E}{E}. When you do, destroy target nonbasic land defending player controls, and creatures that player controls without flying can't block this turn.