Ame no Habakiri no Mitsurugi 
100
Level 8 DARK/Reptile Ritual Effect2400 ATK / 1800 DEF
You can Ritual Summon this card with "Mitsurugi Ritual". Monsters your opponent controls lose 800 ATK. You can reveal this card in your hand; Special Summon 1 "Mitsurugi" monster from your Deck, then Tribute 1 monster you control. You can only use this effect of "Ame no Habakiri no Mitsurugi" once per Duel. If this card is Tributed: You can add 1 "Mitsurugi" card from your Deck to your hand, except "Ame no Habakiri no Mitsurugi", then you can Special Summon this card. You can only use this effect of "Ame no Habakiri no Mitsurugi" once per turn.
Ame no Murakumo no Mitsurugi
Level 8 DARK/Reptile Ritual Effect3200 ATK / 800 DEF
You can Ritual Summon this card with "Mitsurugi Ritual". If this card is Special Summoned: You can destroy all monsters your opponent controls. When your opponent activates a card or effect (Quick Effect): You can activate this effect; your opponent can discard 1 card, or that effect is negated. If this card is Tributed: You can add 1 "Mitsurugi" card from your Deck to your hand, except "Ame no Murakumo no Mitsurugi", then you can Special Summon this card. You can only use each effect of "Ame no Murakumo no Mitsurugi" once per turn.
Futsu no Mitama no Mitsurugi
Level 8 DARK/Reptile Ritual Effect2000 ATK / 3400 DEF
You can Ritual Summon this card with "Mitsurugi Ritual". If your opponent Special Summons a monster(s) (except during the Damage Step): You can target 1 Reptile monster in your GY, except "Futsu no Mitama no Mitsurugi"; Special Summon it. You can only activate this effect of "Futsu no Mitama no Mitsurugi" once per Chain. If this card is Tributed: You can add 1 "Mitsurugi" card from your Deck to your hand, except "Futsu no Mitama no Mitsurugi", then you can Special Summon this card. You can only use this effect of "Futsu no Mitama no Mitsurugi" once per turn.