Other artifact creatures you control have haste.

Whenever one or more artifact creatures you control attack, Alibou, Ancient Witness deals X damage to any target and you scry X, where X is the number of tapped artifacts you control.

Ultima Founding — , Tap two untapped artifacts you control: Create a 2/2 white Astartes Warrior creature token with vigilance.

Master of Machines — , Tap X untapped creatures you control: Look at the top X cards of your library. You may reveal an artifact card from among them and put it into your hand. Put the rest on the bottom of your library in a random order.

Double strike

Ward (Whenever this creature becomes the target of a spell or ability an opponent controls, counter it unless that player pays .)

Other artifacts you control have ward .

Bronze Guardian's power is equal to the number of artifacts you control.

Flying

Brotherhood Vertibird's power is equal to the number of artifacts you control.

Crew 2 (Tap any number of creatures you control with total power 2 or greater: This Vehicle becomes an artifact creature until end of turn.)

Tap two untapped artifacts you control: Untap target artifact.

Artifacts you control have indestructible. (Effects that say "destroy" don't destroy them. Artifact creatures with indestructible can't be destroyed by damage.)

Artifacts you control have ward . (Whenever an artifact you control becomes the target of a spell or ability an opponent controls, counter it unless that player pays .)

When Elder Owyn Lyons enters the battlefield or dies, return target artifact card from your graveyard to your hand.

: Add . Spend this mana only to cast an artifact spell or activate an ability of an artifact source.

, , Exile one or more other artifacts you control with total mana value X: Return target artifact card with mana value X or less from your graveyard to the battlefield. Activate only as a sorcery.

Feedback Bolt deals damage to target player or planeswalker equal to the number of artifacts you control.

: Add .

, , Discard a card: Look at the top X cards of your library, where X is the number of artifacts you control. Put one of those cards into your hand and the rest on the bottom of your library in a random order.

Whenever you cast an artifact spell, investigate. (Create a Clue token. It's an artifact with ", Sacrifice this artifact: Draw a card.")

Activated abilities of artifacts you control cost less to activate. This effect can't reduce the mana in that cost to less than one mana.

(Transforms from Dowsing Device.)

: Add .

, : Until end of turn, target creature gains haste and gets +X/+0, where X is the number of artifacts you control. Activate only as a sorcery.

, Tap X untapped artifacts you control: Look at the top X cards of your library. Put one of those cards into your hand and the rest into your graveyard.

Partner (You can have two commanders if both have partner.)

As long as Guardian Beast is untapped, noncreature artifacts you control can't be enchanted, they have indestructible, and other players can't gain control of them. This effect doesn't remove Auras already attached to those artifacts.

Flying

Metalcraft — Artifacts you control have shroud as long as you control three or more artifacts. (An artifact with shroud can't be the target of spells or abilities.)

Karn, Legacy Reforged's power and toughness are each equal to the greatest mana value among artifacts you control.

At the beginning of your upkeep, add for each artifact you control. This mana can't be spent to cast nonartifact spells. Until end of turn, you don't lose this mana as steps and phases end.

Look at the top X cards of your library, where X is the number of artifacts you control. Put one of those cards into your hand and the rest on the bottom of your library in any order.

, , Tap X untapped artifacts you control: Look at the top X cards of your library. Put one of them into your hand and the rest on the bottom of your library in any order.

This spell costs less to cast, where X is the total mana value of noncreature artifacts you control.

Sacrifice two artifacts: Return Metalwork Colossus from your graveyard to your hand.

, : Look at the top X cards of your library, where X is the highest mana value among artifacts you control. You may put an artifact card from among them onto the battlefield. Put the rest on the bottom of your library in any order.

Draw cards equal to the highest mana value among artifacts you control.

Artifacts you control have hexproof.

At the beginning of your upkeep, if you control the artifact with the highest mana value or tied for the highest mana value, draw a card.

Whenever you cast your first spell during each of your turns, exile the top card of target opponent's library and create a Treasure token. Then you may cast the exiled card without paying its mana cost if it's a spell with mana value less than the number of artifacts you control. If you don't cast it this way, you may cast it this turn.

Artifacts you control have protection from each mana value among artifacts you control.

Partner (You can have two commanders if both have partner.)

Whenever you crank Record Store, look at the top X cards of your library, where X is the number of artifacts you control. Put one of those cards into your hand and the rest on the bottom of your library in a random order.

Return all artifacts you control to their owner's hand.

Haste

As long as an artifact entered the battlefield under your control this turn, creatures you control get +2/+2.

Battalion — Whenever Sentinel Sarah Lyons and at least two other creatures attack, Sentinel Sarah Lyons deals damage equal to the number of artifacts you control to target player.

+1: Create a colorless artifact token named Etherium Cell with ", Sacrifice this artifact: Add one mana of any color."

−2: Target creature gets +X/-X until end of turn, where X is the number of artifacts you control.

−7: You get an emblem with "At the beginning of combat on your turn, target artifact you control becomes an artifact creature with base power and toughness 5/5."

+1: Look at the top five cards of your library. You may reveal an artifact card from among them and put it into your hand. Put the rest on the bottom of your library in any order.

−1: Target artifact becomes an artifact creature with base power and toughness 5/5.

−4: Target player loses X life and you gain X life, where X is twice the number of artifacts you control.

Creature and planeswalker spells you cast have affinity for artifacts. (They cost less to cast for each artifact you control.)

+2: Tezzeret, Master of the Bridge deals X damage to each opponent, where X is the number of artifacts you control. You gain X life.

−3: Return target artifact card from your graveyard to your hand.

−8: Exile the top ten cards of your library. Put all artifact cards from among them onto the battlefield.

At the beginning of your end step, if you lost 2 or more life this turn, create a 2/2 black Zombie creature token.

, Exile The Book of Vile Darkness and artifacts you control named Eye of Vecna and Hand of Vecna: Create Vecna, a legendary 8/8 black Zombie God creature token with indestructible and all triggered abilities of the exiled cards.

Whenever The Seventh Doctor attacks, choose a card in your hand. Defending player guesses whether that card's mana value is greater than the number of artifacts you control. If they guessed wrong, you may cast it without paying its mana cost. If you don't cast a spell this way, investigate. (Create a Clue token. It's an artifact with ", Sacrifice this artifact: Draw a card.")

Untap all artifacts you control during each other player's untap step.

When Whirler Rogue enters the battlefield, create two 1/1 colorless Thopter artifact creature tokens with flying.

Tap two untapped artifacts you control: Target creature can't be blocked this turn.