Volatile Rig

Artifact Creature — Construct (4/4)

Trample
Volatile Rig attacks each combat if able.
Whenever Volatile Rig is dealt damage, flip a coin. If you lose the flip, sacrifice Volatile Rig.
When Volatile Rig dies, flip a coin. If you lose the flip, it deals 4 damage to each creature and each player.

Walking Wall

Artifact Creature — Wall (0/6)

Defender
: Walking Wall gets +3/-1 until end of turn and can attack this turn as though it didn't have defender. Activate only once each turn.

Wall of Tanglecord

Artifact Creature — Wall (0/6)

Defender
: Wall of Tanglecord gains reach until end of turn. (It can block creatures with flying.)

Weathered Sentinels

Artifact Creature — Wall (2/5)

Defender, vigilance, reach, trample
Weathered Sentinels can attack players who attacked you during their last turn as though it didn't have defender.
Whenever Weathered Sentinels attacks, it gets +3/+3 and gains indestructible until end of turn.

Wizard Replica

Artifact Creature — Wizard (1/3)

Flying
, Sacrifice Wizard Replica: Counter target spell unless its controller pays .

Academy Manufactor

Artifact Creature — Assembly-Worker (1/3)

If you would create a Clue, Food, or Treasure token, instead create one of each.

Adaptive Automaton

Artifact Creature — Construct (2/2)

As Adaptive Automaton enters the battlefield, choose a creature type.
Adaptive Automaton is the chosen type in addition to its other types.
Other creatures you control of the chosen type get +1/+1.

Aegis Automaton

Artifact Creature — Construct (0/3)

: Return another target creature you control to its owner's hand.

Akroan Horse

Artifact Creature — Horse (0/4)

Defender
When Akroan Horse enters the battlefield, an opponent gains control of it.
At the beginning of your upkeep, each opponent creates a 1/1 white Soldier creature token.

Alloy Myr

Artifact Creature — Myr (2/2)

: Add one mana of any color.

Alpha Myr

Artifact Creature — Myr (2/1)

Amaranthine Wall

Artifact Creature — Wall (0/6)

Defender
: Amaranthine Wall gains indestructible until end of turn. (Damage and effects that say "destroy" don't destroy it.)

Ancestral Statue

Artifact Creature — Golem (3/4)

When Ancestral Statue enters the battlefield, return a nonland permanent you control to its owner's hand.

Anvilwrought Raptor

Artifact Creature — Bird (2/1)

Flying
First strike (This creature deals combat damage before creatures without first strike.)

Arcbound Crusher

Artifact Creature — Juggernaut (0/0)

Trample
Whenever another artifact enters the battlefield, put a +1/+1 counter on Arcbound Crusher.
Modular 1 (This creature enters the battlefield with a +1/+1 counter on it. When it dies, you may put its +1/+1 counters on target artifact creature.)

Arcbound Hybrid

Artifact Creature — Beast (0/0)

Haste
Modular 2 (This creature enters the battlefield with two +1/+1 counters on it. When it dies, you may put its +1/+1 counters on target artifact creature.)

Arcbound Ravager

Artifact Creature — Beast (0/0)

Sacrifice an artifact: Put a +1/+1 counter on Arcbound Ravager.
Modular 1 (This creature enters the battlefield with a +1/+1 counter on it. When it dies, you may put its +1/+1 counters on target artifact creature.)

Arcbound Reclaimer

Artifact Creature — Golem (0/0)

Remove a +1/+1 counter from Arcbound Reclaimer: Put target artifact card from your graveyard on top of your library.
Modular 2 (This creature enters the battlefield with two +1/+1 counters on it. When it dies, you may put its +1/+1 counters on target artifact creature.)

Arcbound Slith

Artifact Creature — Slith (0/0)

Whenever Arcbound Slith deals combat damage to a player, put a +1/+1 counter on it.
Modular 1 (This creature enters the battlefield with a +1/+1 counter on it. When it dies, you may put its +1/+1 counters on target artifact creature.)

Arcbound Stinger

Artifact Creature — Insect (0/0)

Flying
Modular 1 (This creature enters the battlefield with a +1/+1 counter on it. When it dies, you may put its +1/+1 counters on target artifact creature.)