Foundations

Crystal Barricade | Artifact Creature | Wall | Defender (This creature can't attack.) You have hexproof. (You can't be the target of spells or abilities your opponents control.) Prevent all noncombat damage that would be dealt to other creatures you control. | Rockey Chen

Rune-Sealed Wall | Artifact Creature | Wall | Defender {T}: Surveil 1. (Look at the top card of your library. You may put it into your graveyard.) | Rockey Chen

Scrawling Crawler | Artifact Creature | Phyrexian Construct | At the beginning of your upkeep, each player draws a card. Whenever an opponent draws a card, that player loses 1 life. | Miro Petrov

Burnished Hart | Artifact Creature | Elk | {3}, Sacrifice Burnished Hart: Search your library for up to two basic land cards, put them onto the battlefield tapped, then shuffle. | Yeong-Hao Han

Campus Guide | Artifact Creature | Golem | When Campus Guide enters, you may search your library for a basic land card, reveal it, then shuffle and put that card on top. | Slawomir Maniak

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

Juggernaut | Artifact Creature | Juggernaut | Juggernaut attacks each combat if able. Juggernaut can't be blocked by Walls. | Kev Walker

Meteor Golem | Artifact Creature | Golem | When Meteor Golem enters, destroy target nonland permanent an opponent controls. | Lake Hurwitz

Solemn Simulacrum | Artifact Creature | Golem | When Solemn Simulacrum enters, you may search your library for a basic land card, put that card onto the battlefield tapped, then shuffle. When Solemn Simulacrum dies, you may draw a card. | Dan Murayama Scott

Steel Hellkite | Artifact Creature | Dragon | Flying {2}: This creature gets +1/+0 until end of turn. {X}: Destroy each nonland permanent with mana value X whose controller was dealt combat damage by this creature this turn. Activate only once each turn. | Jaime Jones