Cast Ghostly Flicker targeting Sailor of Means and any other permanent
Retain priority and cast Dualcaster Mage, copy Ghostly Flicker
With the copy, target Sailor of Means and Dualcaster Mage
With the Sailor of Means ETB, create a Treasure token
With Dualcaster Mage ETB copy Ghostly Flicker again
Repeat the process.