A Tuner is a special monster subtype or category created exclusively for Synchro Summoning
Scion of the Ur-Dragon is also the best Dragon commander, because it can be any Dragon in your deck, and you can very easily kill off your opponents in a single attack from this shapeshifting beast of a Creature
Now, before I get into the cards that made the list, I want to make sure and note all the cards that claimed they were unfairly excluded
If a "Warrior", "Synchron", or "Stardust" Synchro Monster is Synchro Summoned using this card as material: You can Special Summon 1 "Stardust Token" (Dragon/LIGHT/Level 1/ATK 0/DEF 0)
With its history as a center of fishing, it's no surprise that the area's fresh sushi is a must-try
It all started with Rainbow Dragon in Tactical Evolution, the first ghost rare card printed in the TCG