Negative — As long as K-9 is untapped, other legendary creatures you control have ward {1}. Affirmative — {1}{U}, {T}: Target legendary creature can't be blocked this turn. Doctor's companion (You can have two commanders if the other is the Doctor.)

Affinity for artifacts (This spell costs {1} less to cast for each artifact you control.) Flying Broodstar's power and toughness are each equal to the number of artifacts you control.

Devil's Play deals X damage to any target. Flashback {X}{R}{R}{R} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Electrodominance deals X damage to any target. You may cast a spell with mana value X or less from your hand without paying its mana cost.

Flying, haste {1}{R}: This creature gets +X/+0 until end of turn, where X is the number of artifacts you control.

Offspring {2} (You may pay an additional {2} as you cast this spell. If you do, when this creature enters, create a 1/1 token copy of it.) Whenever you cast a noncreature spell, this creature deals 1 damage to each opponent.

This land enters tapped. When this land enters, it deals 1 damage to target opponent. {T}: Add {U} or {R}.

As this land enters, you may reveal an Island or Mountain card from your hand. If you don't, this land enters tapped. {T}: Add {U} or {R}.

({T}: Add {U}.)

This land enters tapped. When this land enters, return a land you control to its owner's hand. {T}: Add {U}{R}.

({T}: Add {R}.)

This land enters tapped. Indestructible {T}: Add {U} or {R}.

This land enters tapped. When this land enters, you gain 1 life. {T}: Add {U} or {R}.

{3}, Sacrifice this creature: Search your library for up to two basic land cards, put them onto the battlefield tapped, then shuffle.

{T}: Add one mana of any color in your commander's color identity. Sacrifice this artifact: Draw a card.

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

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

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

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

Spells cost {1} less to cast.

Nonartifact spells you cast have improvise. (Your artifacts can help cast those spells. Each artifact you tap after you're done activating mana abilities pays for {1}.)

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

{T}: Add {C}. {1}, {T}, Sacrifice this artifact: Draw a card.

Ascend (If you control ten or more permanents, you get the city's blessing for the rest of the game.) {T}: Add {C}. {T}, Sacrifice this artifact: You gain 3 life and draw a card. Activate only if you have the city's blessing.

{T}: Add {C}. {1}, {T}: Add one mana of any color.

{T}: Add one mana of any color. {1}, {T}: Untap another target artifact. {2}, {T}: Scry 1. (Look at the top card of your library. You may put that card on the bottom.) {3}, {T}: Target creature can't be blocked this turn.

When this artifact enters, draw a card. {1}, {T}, Sacrifice this artifact: Target creature can't attack or block this turn.

When this creature enters, create a 1/1 colorless Thopter artifact creature token with flying. {T}, Sacrifice an artifact: Choose one — • Exile the top card of your library. Until the end of your next turn, you may play that card. • Target creature gets +2/+0 until end of turn.

When this artifact enters, draw a card. Sacrifice this artifact: Choose a basic land type. Each land you control becomes that type until end of turn.

When this artifact enters, draw a card. {2}: Add one mana of any color.

When Eye of Vecna enters, you draw a card and you lose 2 life. At the beginning of your upkeep, you may pay {2}. If you do, you draw a card and you lose 2 life.

When this artifact enters, draw a card. {1}, {T}, Sacrifice this artifact: Add one mana of any color. {2}, {T}, Sacrifice this artifact: You gain 3 life.

When this artifact enters, draw a card. {2}, {T}: Target Mount you control becomes saddled until end of turn. Activate only as a sorcery. {2}, {T}: Target Vehicle you control becomes an artifact creature until end of turn.

When this artifact enters, draw a card. {2}, {T}, Sacrifice this artifact: Add two mana of different colors.

When this artifact enters or is put into a graveyard from the battlefield, draw a card.

You may look at the top card of your library any time. You may cast artifact spells and colorless spells from the top of your library. {T}, Pay 1 life: Exile the top card of your library.

Return any number of target nonland, nontoken permanents you control to their owners' hands. Draw a card for each card returned to your hand this way.

When this artifact enters, draw a card. {1}, {T}: Add one mana of any color.

Start your engines! (If you have no speed, it starts at 1. It increases once on each of your turns when an opponent loses life. Max speed is 4.) When this artifact enters, draw two cards, then discard a card. Max speed — Spells you cast cost {1} less to cast.

Flying As long as you control four or more artifacts, this creature has hexproof. (It can't be the target of spells or abilities your opponents control.) Tap two untapped artifacts you control: Draw a card.

Flying When this creature enters, draw a card.

When this artifact enters, draw a card. {T}, Sacrifice this artifact: Target creature doesn't untap during its controller's next untap step.

This artifact enters tapped. When this artifact enters, draw a card. {2}, {T}, Sacrifice this artifact: Draw a card.

Whenever you cast a spell from your hand, reveal the top X cards of your library, where X is that spell's mana value. You may cast a spell with mana value X or less from among cards revealed this way without paying its mana cost. Put the rest on the bottom of your library in a random order.

{1}, Sacrifice this artifact: Draw a card. {2}{U}, Sacrifice this artifact: Return target creature to its owner's hand. Draw a card. Activate only as a sorcery.

{5}{U}, {T}: Draw a card. This ability costs {1} less to activate for each other artifact you control.

Flying Whenever this Vehicle attacks, if you control a Time Lord, the next spell you cast this turn has cascade and you may planeswalk. Crew 2 (Tap any number of creatures you control with total power 2 or more: This Vehicle becomes an artifact creature until end of turn.)

When this artifact enters, draw a card. {T}, Sacrifice this artifact: Target creature can't be blocked this turn. If it's a Vampire, it also gains lifelink until end of turn.

Exile X target creatures. For each creature exiled this way, its controller creates a 2/2 green Boar creature token.

Whenever this artifact or another artifact you control enters, put a charge counter on this artifact. {4}, Sacrifice this artifact: It deals damage equal to the number of charge counters on it to target player and that much damage to up to one target creature.

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

Tap two untapped artifacts you control: This enchantment deals 1 damage to any target.

Bargain (You may sacrifice an artifact, enchantment, or token as you cast this spell.) This spell costs {1} less to cast if it's bargained. Counter target spell.

{R}, Sacrifice this artifact: It deals 2 damage to any target. {1}, Sacrifice this artifact: Draw a card.

{T}: Target player exiles a card from their graveyard. {1}, Sacrifice this artifact: Exile target card from a graveyard. Draw a card.

As an additional cost to cast this spell, sacrifice an artifact. Shrapnel Blast deals 5 damage to any target.

{T}, Discard a card: Up to one target creature can't be blocked this turn. Whenever this artifact becomes untapped, you may pay {2}. If you do, draw a card.

Whenever you cast an artifact spell, create a 1/1 colorless Thopter artifact creature token with flying.

Flying Ward—{3}, Pay 3 life. Whenever you cast a noncreature spell, create X 1/1 red Phyrexian Goblin creature tokens, where X is the mana value of that spell. They gain haste until end of turn.

Whenever you cast a noncreature spell, create a 1/1 colorless Servo artifact creature token. −2: Target artifact you control becomes a copy of another target artifact or creature you control until end of turn, except it's an artifact in addition to its other types.

Whenever you cast an artifact spell, create a 1/1 colorless Thopter artifact creature token with flying. {1}{U}, Sacrifice two artifacts: Draw a card.