The Reality Stone

(The Reality Stone is Green.)

Infinity Stone (Infinity Stone Artifacts enter the battlefield tapped. A deck may contain up to one of each uniquely named Infinity Stone Artifacts.)

As The Reality Stone enters the battlefield, choose a basic land type. Lands on the battlefield and not in play are the chosen type in addition to their other types.
{g}, {t}, Sacrifice The Reality Stone: Lands you control
have indestructible until end of turn.