Master Splicer

When Master Splicer enters, create a 3/3 colorless Phyrexian Golem artifact creature token.
Golems you control get +1/+1.

Divination

Crippling Chill

Tap target creature. It doesn't untap during its controller's next untap step.
Draw a card.

Zahid, Djinn of the Lamp

You may pay {3}{U} and tap an untapped artifact you control rather than pay this spell's mana cost.
Flying

Diamond Knight

Vigilance (Attacking doesn't cause this creature to tap.)
As Diamond Knight enters, choose a color.
Whenever you cast a spell of the chosen color, put a +1/+1 counter on Diamond Knight.

Aerial Engineer

As long as you control an artifact, Aerial Engineer gets +2/+0 and has flying.

Jhoira's Familiar

Flying
Historic spells you cast cost {1} less to cast. (Artifacts, legendaries, and Sagas are historic.)

Niambi, Faithful Healer

When Niambi, Faithful Healer enters, you may search your library and/or graveyard for a card named Teferi, Timebender, reveal it, and put it into your hand. If you search your library this way, shuffle.

Chronomaton

{1}, {T}: Put a +1/+1 counter on Chronomaton.

Plains

Temporal Machinations

Return target creature to its owner's hand. If you control an artifact, draw a card.

Relic Runner

Relic Runner can't be blocked if you've cast a historic spell this turn. (Artifacts, legendaries, and Sagas are historic.)

Teferi's Sentinel

As long as you control a Teferi planeswalker, Teferi's Sentinel gets +4/+0.

Sparring Construct

When Sparring Construct dies, put a +1/+1 counter on target creature you control.

Island

Gideon's Reproach

Gideon's Reproach deals 4 damage to target attacking or blocking creature.

Meandering River

Meandering River enters tapped.
{T}: Add {W} or {U}.

Trusty Packbeast

When Trusty Packbeast enters, return target artifact card from your graveyard to your hand.

Knight of New Benalia

Teferi, Time Raveler

Each opponent can cast spells only any time they could cast a sorcery.
+1: Until your next turn, you may cast sorcery spells as though they had flash.
−3: Return up to one target artifact, creature, or enchantment to its owner's hand. Draw a card.

Diamond Mare

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

Skilled Animator

When Skilled Animator enters, target artifact you control becomes an artifact creature with base power and toughness 5/5 for as long as Skilled Animator remains on the battlefield.

Tetsuko Umezawa, Fugitive

Creatures you control with power or toughness 1 or less can't be blocked.

Tezzeret's Ambition

Draw three cards. If you control no artifacts, discard a card.

Teferi, Timebender

+2: Untap up to one target artifact or creature.
−3: You gain 2 life and draw two cards.
−9: Take an extra turn after this one.

Aethershield Artificer

At the beginning of combat on your turn, target artifact creature you control gets +2/+2 and gains indestructible until end of turn. (Damage and effects that say "destroy" don't destroy it.)

Chief of the Foundry

Other artifact creatures you control get +1/+1.

Chart a Course

Draw two cards. Then discard a card unless you attacked this turn.

Daring Archaeologist

When Daring Archaeologist enters, you may return target artifact card from your graveyard to your hand.
Whenever you cast a historic spell, put a +1/+1 counter on Daring Archaeologist. (Artifacts, legendaries, and Sagas are historic.)