NOT CONFIRMED, but...
Shining Star Dragon
Dragon/Synchro/Effect
LIGHT/12/ 4000/4000
2 Synchro Tuners + Stardust Dragon
When the effect of a Spell, Trap of Effect Monster card is activated, you can remove this card from play to negate the activation and destroy that card. During the end phase of the turn this effect is activated you can special summon this card that has been removed from play. When an opponent's monster declares attack, by removing from play 1 Synchro monster from your graveyard, negate the attack. If there are no synchro monsters in your graveyard, destroy this card.
https://shriek.twoday.net/
Also:
Stardust Synchron
Dragon/Synchro/Effect
Wind/2/(ATK and DEF unconfirmed)
1 Tuner + 1 or more non tuner
When this card is Synchro Summoned, you can destroy one Spell or Trap on the field. If you control "Stardust Dragon", this card is treated as a tuner.
Whaddya think?
Shining Star Dragon
Dragon/Synchro/Effect
LIGHT/12/ 4000/4000
2 Synchro Tuners + Stardust Dragon
When the effect of a Spell, Trap of Effect Monster card is activated, you can remove this card from play to negate the activation and destroy that card. During the end phase of the turn this effect is activated you can special summon this card that has been removed from play. When an opponent's monster declares attack, by removing from play 1 Synchro monster from your graveyard, negate the attack. If there are no synchro monsters in your graveyard, destroy this card.
https://shriek.twoday.net/
Also:
Stardust Synchron
Dragon/Synchro/Effect
Wind/2/(ATK and DEF unconfirmed)
1 Tuner + 1 or more non tuner
When this card is Synchro Summoned, you can destroy one Spell or Trap on the field. If you control "Stardust Dragon", this card is treated as a tuner.
Whaddya think?