Target 1 Synchro Monster on the field; return that target to the Extra Deck, then, if all of the monsters that were used for the Syncro Summon of that monster are in your GY, you can Special Summon all of them.
Near Mint Unlimited - $0.25
Lightly Played Unlimited - $0.20
Moderately Played Unlimited - $0.17
Heavily Played Unlimited - $0.15
Damaged Unlimited - $0.13