[SCD New] Stardust Assault Warrior

1 Tuner + 1 or more non-Tuner monsters
You can only us the (1) effect of “Stardust Assault Warrior” once per turn.
(1) When this card is Synchro Summoned, if you control no other monsters: You can target 1 “Junk” monster in your Graveyard; Special Summon it.
(2) If this card attacks a Defense Position monster, inflict piercing battle damage to your opponent.