Every printing we track, with today's reference value. Cards someone is selling show the lowest price.
6 cards

Hamletback Goliath
Magic 2013 Promos #A10

Xathrid Gorgon
Magic 2013 Promos #118★

Magmaquake
Magic 2013 Promos #140★

Mwonvuli Beast Tracker
Magic 2013 Promos #177★

Staff of Nin
Magic 2013 Promos #217★

Cathedral of War
Magic 2013 Promos #221★