March of the Machine

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

Phyrexian Archivist | Artifact Creature | Phyrexian Construct | Reach {2}, {T}: Put target card from a graveyard on the bottom of its owner's library. | Daniel Romanovsky

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