Starduston (PRIO-EN039) [Primal Origin]

Cannot be Normal Summoned/Set. Must be Special Summoned (from your hand) by sending any number of "Duston" monsters you control to the Graveyard (min. 1), and cannot be Special Summoned by other ways. This card’s ATK and DEF are equal to the number of "Duston" monsters sent for its Special Summon x 1000. Your opponent cannot activate Set Spell/Trap Cards, also they cannot Flip or Special Summon monsters. If you control more monsters than your opponent does, destroy this card.