World Shaper [Rivals of Ixalan Prerelease Promos] Legendary Artifact All monsters your opponent controls

All monsters your opponent controls are changed to face-up Attack Position (Flip Effects are not activated) and lose 500 ATK as long as they remain face-up on the field

A WIND Synchro Monster that was Summoned using this card as Synchro Material cannot be destroyed by battle

Set: Diamond & Pearl: Secret Wonders Type: Water Rarity: Promo Retreat cost: Colorless

Its belly produces a boiling-hot fluid it can spit as a weapon or spin slowly enough to freeze into a defensive web

and Structure Deck: Sacred Beasts rewards you for doing so

World Shaper [Rivals of Ixalan Prerelease Promos] Legendary Artifact All monsters your opponent controlsSet: Rivals of Ixalan Prerelease Promos Type: Creature Merfolk Shaman Rarity: Rare Cost: {3}{G} Whenever World Shaper attacks, you may mill three cards. When World Shaper dies, return all land cards from your graveyard to the battlefield tapped. "The Great River will not be tamed."