Thendar, the Overminer is a rare Legendary Creature — Kavu Pirate card from Alchemy: Edge of Eternities (YEOE), collector number 17.
Menace Whenever a nonbasic land is put into a graveyard from the battlefield, its controller conjures a card named Wastes onto the battlefield tapped. At the beginning of your end step, if you control two or more tapped creatures, destroy up to one target nonbasic land.