You can only use 1 “Crystron Smiger” effect per turn, and only once that turn.
(1) You can target 1 face-up card you control; destroy it, and if you do, Special Summon 1 “Crystron” Tuner monster from your Deck, but you cannot Special Summon from the Extra Deck for the rest of this turn, except Machine-Type Synchro Monsters.
(2) You can banish this card from your Graveyard; add 1 “Crystron” Spell/Trap Card from your Deck to your hand.