The Lost Caverns of Ixalan

Jade Seedstones | Artifact | | When Jade Seedstones enters the battlefield, distribute three +1/+1 counters among one, two, or three target creatures you control. Craft with creature {5}{G}{G} ({5}{G}{G}, Exile this artifact, Exile a creature you control or a creature card from your graveyard: Return this card transformed under its owner's control. Craft only as a sorcery.) | Alexandre Honoré

Scampering Surveyor | Artifact Creature | Gnome | When Scampering Surveyor enters the battlefield, search your library for a basic land card or Cave card, put it onto the battlefield tapped, then shuffle. | Xavier Ribeiro