Secret Six Samurai - Rihan [SPWA-EN006] Secret Rare Earth You can only use this

You can only use this effect of “Ride of the Valkyries” once per turn

At that time

you must offer 1 Dragon-Type monster on your side of the field as a Tribute

Halve the ATK and DEF of all monsters on the field

Secret Six Samurai - Rihan [SPWA-EN006] Secret Rare Earth You can only use thisSet: Spirit Warriors Card type: Fusion Effect Monster Rarity: Secret Rare Attack: 2400 Defense: 2400 3 "Six Samurai" monsters with different Attributes Must first be Special Summoned (from your Extra Deck) by sending the above cards you control to the GY. (You do not use "Polymerization".) Cannot be used as Fusion Material. Once per turn: You can banish 1 "Six Samurai" card from your hand or face up from your field, then target 1 card on the field;