The Lost Caverns of Ixalan

Adaptive Gemguard | Artifact Creature | Gnome | Tap two untapped artifacts and/or creatures you control: Put a +1/+1 counter on Adaptive Gemguard. Activate only as a sorcery. | Anthony Devine

Thousand Moons Smithy // Barracks of the Thousand | Legendary Artifact // Legendary Artifact Land | | When Thousand Moons Smithy enters, create a white Gnome Soldier artifact creature token with "This creature's power and toughness are each equal to the number of artifacts and/or creatures you control." At the beginning of your first main phase, you may tap five untapped artifacts and/or creatures you control. If you do, transform Thousand Moons Smithy. // (Transforms from Thousand Moons Smithy.) {T}: Add {W}. Whenever you cast an artifact or creature spell using mana produced by Barracks of the Thousand, create a white Gnome Soldier artifact creature token with "This creature's power and toughness are each equal to the number of artifacts and/or creatures you control." | Manuel Castañón