Rivals of Ixalan

Awakened Amalgam | Artifact Creature | Golem | Awakened Amalgam's power and toughness are each equal to the number of differently named lands you control. | Zack Stella

Gleaming Barrier | Artifact Creature | Wall | Defender When Gleaming Barrier dies, create a Treasure token. (It's an artifact with "{T}, Sacrifice this artifact: Add one mana of any color.") | Jason Felix

Golden Guardian | Artifact Creature | Golem | Defender {2}: Golden Guardian fights another target creature you control. When Golden Guardian dies this turn, return it to the battlefield transformed under your control. | Svetlin Velinov