Kaladesh

Cataclysmic Gearhulk | Artifact Creature | Construct | Vigilance When Cataclysmic Gearhulk enters the battlefield, each player chooses an artifact, a creature, an enchantment, and a planeswalker from among the nonland permanents they control, then sacrifices the rest. | Victor Adame Minguez

Verdurous Gearhulk | Artifact Creature | Construct | Trample When Verdurous Gearhulk enters the battlefield, distribute four +1/+1 counters among any number of target creatures you control. | Jaime Jones

Bastion Mastodon | Artifact Creature | Elephant | {W}: Bastion Mastodon gains vigilance until end of turn. | Victor Adame Minguez

Multiform Wonder | Artifact Creature | Construct | When Multiform Wonder enters the battlefield, you get {E}{E}{E} (three energy counters). Pay {E}: Multiform Wonder gains your choice of flying, vigilance, or lifelink until end of turn. Pay {E}: Multiform Wonder gets +2/-2 or -2/+2 until end of turn. | Daarken

Self-Assembler | Artifact Creature | Assembly-Worker | When Self-Assembler enters the battlefield, you may search your library for an Assembly-Worker creature card, reveal it, put it into your hand, then shuffle. | Noah Bradley