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 from your Deck to your hand.
(2) If your other “Senka” monster’s effect is activated: You can target 1 monster your opponent controls; negate its effects for the rest of the turn.