Blood Servitor

When this creature enters, create a Blood token. (It's an artifact with "{1}, {T}, Discard a card, Sacrifice this token: Draw a card.")

Brass Gnat

Flying
This creature doesn't untap during your untap step.
At the beginning of your upkeep, you may pay {1}. If you do, untap this creature.

Myr Retriever

When this creature dies, return another target artifact card from your graveyard to your hand.

Arcbound Stinger

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

Thaumaturge's Familiar

Flying
When this creature enters, scry 1.

Pili-Pala

Flying
{2}, {Q}: Add one mana of any color. ({Q} is the untap symbol.)

Displaced Dinosaurs

As a historic permanent you control enters, it becomes a 7/7 Dinosaur creature in addition to its other types. (Artifacts, legendaries, and Sagas are historic.)

Myr Sire

When this creature dies, create a 1/1 colorless Phyrexian Myr artifact creature token.

Papercraft Decoy

When this creature leaves the battlefield, you may pay {2}. If you do, draw a card.

Aesthir Glider

Automated Artificer

{T}: Add {C}. Spend this mana only to activate an ability or cast an artifact spell.

Roterothopter

Flying
{2}: This creature gets +1/+0 until end of turn. Activate no more than twice each turn.

Cartographer's Companion

When this creature enters, create a Map token. (It's an artifact with "{1}, {T}, Sacrifice this token: Target creature you control explores. Activate only as a sorcery.")

Clockwork Fox

When this creature leaves the battlefield, you draw two cards and each opponent draws a card.

Hovermyr

Sylvok Replica

{G}, Sacrifice this creature: Destroy target artifact or enchantment.

Howling Golem

Whenever this creature attacks or blocks, each player draws a card.

Iron Apprentice

This creature enters with a +1/+1 counter on it.
When this creature dies, if it had counters on it, put those counters on target creature you control.

Dutiful Replicator

When this creature enters, you may pay {1}. When you do, create a token that's a copy of target token you control not named Dutiful Replicator.

Shield Sphere

Defender
Whenever this creature blocks, put a -0/-1 counter on it.

Arcbound Worker

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

Foundry Inspector

Artifact spells you cast cost {1} less to cast.

Skyscanner

Flying
When this creature enters, draw a card.

Runed Servitor

When this creature dies, each player draws a card.

Phyrexian Walker

Manakin

Marching Duodrone

Whenever this creature attacks, each player creates a Treasure token. (It's an artifact with "{T}, Sacrifice this token: Add one mana of any color.")

Gingerbrute

Haste (This creature can attack and {T} as soon as it comes under your control.)
{1}: This creature can't be blocked this turn except by creatures with haste.
{2}, {T}, Sacrifice this creature: You gain 3 life.

Ornithopter of Paradise

Copper Myr

Filigree Familiar

When this creature enters, you gain 2 life.
When this creature dies, draw a card.

Ornithopter

Clockwork Beetle

This creature enters with two +1/+1 counters on it.
Whenever this creature attacks or blocks, remove a +1/+1 counter from it at end of combat.

Hedron Crawler

{T}: Add {C}. ({C} represents colorless mana.)

Bronze Walrus

When this creature enters, scry 2. (Look at the top two cards of your library, then put any number of them on the bottom and the rest on top in any order.)
{T}: Add one mana of any color.