The Lost Caverns of Ixalan

Diamond Pick-Axe | Artifact | Equipment | Indestructible (Effects that say "destroy" don't destroy this artifact.) Equipped creature gets +1/+1 and has "Whenever this creature attacks, create a Treasure token." (It's an artifact with "{T}, Sacrifice this artifact: Add one mana of any color.") Equip {2} | Dibujante Nocturno

Dowsing Device // Geode Grotto | Artifact // Land | // Cave | Whenever Dowsing Device or another artifact you control enters, up to one target creature you control gets +1/+0 and gains haste until end of turn. Then transform Dowsing Device if you control four or more artifacts. // (Transforms from Dowsing Device.) {T}: Add {R}. {2}{R}, {T}: Until end of turn, target creature gains haste and gets +X/+0, where X is the number of artifacts you control. Activate only as a sorcery. | Olena Richards

Goldfury Strider | Artifact Creature | Golem | Trample Tap two untapped artifacts and/or creatures you control: Target creature gets +2/+0 until end of turn. Activate only as a sorcery. | José Parodi

Saheeli's Lattice // Mastercraft Raptor | Artifact // Artifact Creature | // Dinosaur | When Saheeli's Lattice enters, you may discard a card. If you do, draw two cards. Craft with one or more Dinosaurs {4}{R} ({4}{R}, Exile this artifact, Exile one or more Dinosaurs you control and/or Dinosaur cards from your graveyard: Return this card transformed under its owner's control. Craft only as a sorcery.) // Mastercraft Raptor's power is equal to the total power of the exiled cards used to craft it. | Zoltan Boros