The Six Samurai - Zanji [SDWA-EN004] Common SH12 Set: Hidden Summoners Card type:

Set: Hidden Summoners Card type: Effect Monster Rarity: Super Rare Attack: 600 Defense: 600 You can target 1 Level 4 or lower "Nephthys" monster in your GY

And this year

You can only use each effect of "Fire King Avatar Arvata" once per turn

to the Graveyard to Special Summon this card from your hand

The Six Samurai - Zanji [SDWA-EN004] Common SH12 Set: Hidden Summoners Card type:Set: Structure Deck: Samurai Warlords Card type: Effect Monster Rarity: Common Attack: 1800 Defense: 1300 At the end of the Damage Step, if this card attacked: Destroy the monster this card attacked. You must control a face up "Six Samurai" monster with a different name to activate and to resolve this effect. If this card would be destroyed, you can destroy another face up "Six Samurai" monster you control instead.