Patron of the Orochi [Betrayers of Kamigawa] SWSH012 if you have no cards

if you have no cards in your Spell & Trap Card Zone: You can detach 1 Xyz Material from this card

other monsters cannot change their battle positions or attack

The Wall of Bone is said to be an aspect of the Great Wall in Hel

select 1 card on your opponent's side of the field and destroy it

Set: Diamond & Pearl: Trainer Kit - Lucario Type: Fighting Rarity: Promo Retreat cost: Colorless

Patron of the Orochi [Betrayers of Kamigawa] SWSH012 if you have no cardsSet: Betrayers of Kamigawa Type: Legendary Creature Spirit Rarity: Rare Cost: {6}{G}{G} Snake offering (You may cast this card any time you could cast an instant by sacrificing a Snake and paying the difference in mana costs between this and the sacrificed Snake. Mana cost includes color.) {T}: Untap all Forests and all green creatures. Activate only once each turn.