[[Spanish release date::| ]][[Spanish Sneak Peek date::| ]] [[English release date::| ]] Legendary Collection 5D's Mega Pack is a Mega-Pack released with Legendary Collection 5D's boxes. As with previous Legendary Collection Mega-Pack sets, this set debuted previously OCG exclusive cards to the TCG, with a total of 2: "Mono Synchron" and "Steam Synchron".