You can target 1 Continuous Spell/Trap you control; send it to the GY, and if you do, add from your GY to your hand 1 "Senka" Spell/Trap with a different name from the sent card. If your other "Senka" monster's effect is activated (except during the Damage Step): You can target 1 Spell/Trap your opponent controls; destroy it. You can only use each effect of "Senka Tactician - Lu Jing" once per turn.