As this land enters, you may reveal a Swamp or Mountain card from your hand. If you don't, this land enters tapped.
T: Add B or R.
UPC: MTG-MSC-473-BHYCVU9NTK
UPC: MTG-MSC-473-BHYCVU9NTK
UPC: MTG-MSC-473-BHYCVU9NTK
UPC: MTG-MSC-473-BHYCVU9NTK
UPC: MTG-MSC-473-BHYCVU9NTK