World Shaper [Rivals of Ixalan] Elder Dinosaur One of the few Soltari

One of the few Soltari who can cross the shadow barrier

you may attach it to target creature you control

except it doesn't copy that creature's color and it has "At the beginning of your upkeep

and that player decides whether to flip again

Flashback {4}{G}{G}{G} (You may cast this card from your graveyard for its flashback cost

World Shaper [Rivals of Ixalan] Elder Dinosaur One of the few SoltariSet: Rivals of Ixalan 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."