As this land enters, you may reveal a Mountain or Plains card from your hand. If you don't, this land enters tapped.
T: Add R or W.
UPC: MTG-SOC-375-3DKCGXNOQH
UPC: MTG-SOC-375-3DKCGXNOQH
UPC: MTG-SOC-375-3DKCGXNOQH
UPC: MTG-SOC-375-3DKCGXNOQH
UPC: MTG-SOC-375-3DKCGXNOQH