You can only use each effect of this card’s name once per turn.
(1) You can target 1 Continuous Spell/Trap you control; send that card to the GY, and if you do, add 1 “Senka” Spell/Trap with a different name from your GY to your hand.
(2) If your other “Senka” monster’s effect is activated: You can target 1 Spell/Trap your opponent controls; destroy that card.