The Lost Caverns of Ixalan

Fabrication Foundry | Artifact | | {T}: Add {W}. Spend this mana only to cast an artifact spell or activate an ability of an artifact source. {2}{W}, {T}, Exile one or more other artifacts you control with total mana value X: Return target artifact card with mana value X or less from your graveyard to the battlefield. Activate only as a sorcery. | Racrufi

Subterranean Schooner | Artifact | Vehicle | Whenever Subterranean Schooner attacks, target creature that crewed it this turn explores. (Reveal the top card of your library. Put that card into your hand if it's a land. Otherwise, put a +1/+1 counter on that creature, then put the card back or put it into your graveyard.) Crew 1 | Svetlin Velinov

Tarrian's Journal // The Tomb of Aclazotz | Legendary Artifact // Legendary Land | // Cave | {T}, Sacrifice another artifact or creature: Draw a card. Activate only as a sorcery. {2}, {T}, Discard your hand: Transform Tarrian's Journal. // (Transforms from Tarrian's Journal.) {T}: Add {B}. {T}: You may cast a creature spell from your graveyard this turn. If you do, it enters with a finality counter on it and is a Vampire in addition to its other types. (If a creature with a finality counter on it would die, exile it instead.) | Randy Gallegos

Throne of the Grim Captain // The Grim Captain | Legendary Artifact // Legendary Creature | // Skeleton Spirit Pirate | {T}: Mill two cards. Craft with a Dinosaur, a Merfolk, a Pirate, and a Vampire {4} ({4}, Exile this artifact, Exile the four from among permanents you control and/or cards in your graveyard: Return this card transformed under its owner's control. Craft only as a sorcery.) // Menace, trample, lifelink, hexproof Whenever The Grim Captain attacks, each opponent sacrifices a nonland permanent of their choice. Then you may put an exiled creature card used to craft The Grim Captain onto the battlefield under your control tapped and attacking. | Tiffany Turrill

Treasure Map // Treasure Cove | Artifact // Land | | {1}, {T}: Scry 1. Put a landmark counter on Treasure Map. Then if there are three or more landmark counters on it, remove those counters, transform Treasure Map, and create three Treasure tokens. (They're artifacts with "{T}, Sacrifice this artifact: Add one mana of any color.") // (Transforms from Treasure Map.) {T}: Add {C}. {T}, Sacrifice a Treasure: Draw a card. | Néstor Ossandón Leal