Battleguard Howling [SPWA-EN056] Super Rare OTS Tournament Pack 6 You can only use each

You can only use each effect of “Valkyrie Zweite” once per turn

or Extra Deck

if it is a DARK Monster Card

5 Card type: Tamer Rarity: Rare Play Cost: 4 [Start of Your Turn] If you have 2 memory or less

They are also talented farmers

Battleguard Howling [SPWA-EN056] Super Rare OTS Tournament Pack 6 You can only use eachSet: Spirit Warriors Card type: Normal Trap Rarity: Super Rare When a Warrior monster you control is targeted for an attack, or by an opponent's monster effect: Target 1 face up monster your opponent controls; inflict damage to your opponent equal to the original ATK of the face up monster you targeted with this card, and if you do, return it to the hand.