I am looking for 1 Mox Opal to finish up Modern Affinity. Below are some of the cards I have available:

Polluted Delta
Watery Grave
Hallowed Fountain x2
Hallowed Burial (Foreign)
Austere Command
Ghostly Prison x3
Jace, Memory Adept
Jace, Architect of Thought x2
Akroma, Angel of Fury
Dragonlair Spider
MORE