Battered Golem

This creature doesn't untap during your untap step.
Whenever an artifact enters, you may untap this creature.

Tormod's Crypt

{T}, Sacrifice this artifact: Exile target player's graveyard.

Steelfin Whale

Affinity for artifacts (This spell costs {1} less to cast for each artifact you control.)
Whenever an artifact you control enters, untap this creature.

Ornithopter

Retraction Helix

Until end of turn, target creature gains "{T}: Return target nonland permanent to its owner's hand."

Grapeshot

Grapeshot deals 1 damage to any target.
Storm (When you cast this spell, copy it for each spell cast before it this turn. You may choose new targets for the copies.)

Prism Ring

As this artifact enters, choose a color.
Whenever you cast a spell of the chosen color, you gain 1 life.

Reckless Fireweaver

Whenever an artifact you control enters, this creature deals 1 damage to each opponent.

Tooth of Chiss-Goria

Flash
Affinity for artifacts (This spell costs {1} less to cast for each artifact you control.)
{T}: Target creature gets +1/+0 until end of turn.

Blisterspit Gremlin

{1}, {T}: This creature deals 1 damage to each opponent.
Whenever you cast a noncreature spell, untap this creature.

Island

Mountain

Ideas Unbound

Draw three cards. Discard three cards at the beginning of the next end step.

Firebrand Archer

Whenever you cast a noncreature spell, this creature deals 1 damage to each opponent.

Careful Study

Herbal Poultice

{3}, Sacrifice this artifact: Regenerate target creature.

Shield Sphere

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

Lotus Petal

{T}, Sacrifice this artifact: Add one mana of any color.

Prophetic Ravings

Enchant creature
Enchanted creature has haste and "{T}, Discard a card: Draw a card."

Kessig Flamebreather

Crookshank Kobolds

Banishing Knack

Cloud of Faeries

Flying
When this creature enters, untap up to two lands.
Cycling {2} ({2}, Discard this card: Draw a card.)

Zephyr Scribe

{U}, {T}: Draw a card, then discard a card.
Whenever you cast a noncreature spell, untap this creature.

Elusive Spellfist

Whenever you cast a noncreature spell, this creature gets +1/+0 until end of turn and can't be blocked this turn.

Drift of Phantasms

Defender (This creature can't attack.)
Flying
Transmute {1}{U}{U} ({1}{U}{U}, Discard this card: Search your library for a card with the same mana value as this card, reveal it, put it into your hand, then shuffle. Transmute only as a sorcery.)

Spidersilk Net

Equipped creature gets +0/+2 and has reach. (It can block creatures with flying.)
Equip {2} ({2}: Attach to target creature you control. Equip only as a sorcery.)

Ingenious Artillerist

Whenever one or more artifacts you control enter, this creature deals that much damage to each opponent.