Ancient Warriors - Graceful Zhou Gong

You can target 1 Continuous Spell/Trap you control; send it to the GY, and if you do, add 1 "Ancient Warriors" Spell/Trap from your Deck to your hand. If your other "Ancient Warriors" monster's effect is activated (except during the Damage Step): You can target 1 Effect Monster your opponent controls; negate its effects until the end of this turn. You can only use each effect of "Ancient Warriors - Graceful Zhou Gong" once per turn.