World Shaper [Rivals of Ixalan Prerelease Promos] Serpent but it is necessary

but it is necessary

Set: Odyssey Type: Artifact Rarity: Rare Cost: {2} Flashback costs you pay cost up to {2} less

Set: Guildpact Type: Creature — Elephant Wizard Rarity: Rare Cost: {3}{W}{W} Whenever an opponent casts a spell

if there are four or more card types among cards in your graveyard

When they land on you

World Shaper [Rivals of Ixalan Prerelease Promos] Serpent but it is necessarySet: 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."