March of the Machine

Etched Familiar | Artifact Creature | Phyrexian Fox | When Etched Familiar dies, each opponent loses 2 life and you gain 2 life. | Colin Boyer

Marauding Dreadship | Artifact | Vehicle | Haste When Marauding Dreadship enters the battlefield, incubate 2. (Create an Incubator token with two +1/+1 counters on it and "{2}: Transform this artifact." It transforms into a 0/0 Phyrexian artifact creature.) Crew 2 (Tap any number of creatures you control with total power 2 or more: This Vehicle becomes an artifact creature until end of turn.) | Tiffany Turrill

Halo Hopper | Artifact Creature | Frog | Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for {1} or one mana of that creature's color.) | Daniel Ljunggren

Realmbreaker, the Invasion Tree | Legendary Artifact | | {2}, {T}: Target opponent mills three cards. Put a land card from their graveyard onto the battlefield tapped under your control. It gains "If this land would leave the battlefield, exile it instead of putting it anywhere else." {10}, {T}, Sacrifice Realmbreaker, the Invasion Tree: Search your library for any number of Praetor cards, put them onto the battlefield, then shuffle. | Kekai Kotaki

Skittering Surveyor | Artifact Creature | Construct | When Skittering Surveyor enters the battlefield, you may search your library for a basic land card, reveal it, put it into your hand, then shuffle. | Igor Kieryluk

Sword of Once and Future | Artifact | Equipment | Equipped creature gets +2/+2 and has protection from blue and from black. Whenever equipped creature deals combat damage to a player, surveil 2. Then you may cast an instant or sorcery spell with mana value 2 or less from your graveyard without paying its mana cost. If that spell would be put into your graveyard, exile it instead. Equip {2} | Joshua Cairos