You can only use this card name’s (1) effect once per turn.
(1) During your Main Phase, you can: You cannot Special Summon monsters from your Extra Deck for the rest of this turn, except Cyberse monsters, also immediately after this effect resolves, Normal Summon 1 Cyberse monster.
(2) If a “Code Talker” monster you control battles, your opponent cannot activate cards or effects until the end of the Damage Step.