{U}, Sacrifice Aether Spellbomb: Return target creature to its owner's hand. {1}, Sacrifice Aether Spellbomb: Draw a card.

Whenever you cast a spell, you gain 1 life for each spell you've cast this turn. Pay 50 life: Aetherflux Reservoir deals 50 damage to any target.

When Alchemist's Vial enters the battlefield, draw a card. {1}, {T}, Sacrifice Alchemist's Vial: Target creature can't attack or block this turn.

{T}: Add one mana of any color in your commander's color identity.

{1}, {T}, Sacrifice Barbed Sextant: Add one mana of any color. Draw a card at the beginning of the next turn's upkeep.

{1}, {T}, Sacrifice Chromatic Sphere: Add one mana of any color. Draw a card.

{1}, {T}, Sacrifice Chromatic Star: Add one mana of any color. When Chromatic Star is put into a graveyard from the battlefield, draw a card.

Tap two untapped artifacts you control: Untap target artifact.

Coldsteel Heart enters the battlefield tapped. As Coldsteel Heart enters the battlefield, choose a color. {T}: Add one mana of the chosen color.

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

{T}, Sacrifice Conjurer's Bauble: Put up to one target card from your graveyard on the bottom of your library. Draw a card.

{2}, {T}: You gain 5 life. Shuffle Elixir of Immortality and your graveyard into their owner's library.

When Elsewhere Flask enters the battlefield, draw a card. Sacrifice Elsewhere Flask: Choose a basic land type. Each land you control becomes that type until end of turn.

Multikicker {2} (You may pay an additional {2} any number of times as you cast this spell.) Everflowing Chalice enters the battlefield with a charge counter on it for each time it was kicked. {T}: Add {C} for each charge counter on Everflowing Chalice.

Fire Diamond enters the battlefield tapped. {T}: Add {R}.

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

When Guild Globe enters the battlefield, draw a card. {2}, {T}, Sacrifice Guild Globe: Add two mana of different colors.

Spells cost {1} less to cast.

When Ichor Wellspring enters the battlefield or is put into a graveyard from the battlefield, draw a card.

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}.)

{1}, {T}: Add {U}{R}.

{T}: Add {C}. {1}, {T}, Sacrifice Mind Stone: Draw a card.

{T}: Exile the bottom card of target player's graveyard. {1}, Sacrifice Phyrexian Furnace: Exile target card from a graveyard. Draw a card.

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

When Prophetic Prism enters the battlefield, draw a card. {1}, {T}: Add one mana of any color.

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

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

You may have Sculpting Steel enter the battlefield as a copy of any artifact on the battlefield.

Imprint — When Semblance Anvil enters the battlefield, you may exile a nonland card from your hand. Spells you cast that share a card type with the exiled card cost {2} less to cast.

{1}: Look at the top three cards of your library, then put them back in any order. {T}: Draw a card, then put Sensei's Divining Top on top of its owner's library.

Sky Diamond enters the battlefield tapped. {T}: Add {U}.

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

{T}: Add {C}{C}.

Spare Supplies enters the battlefield tapped. When Spare Supplies enters the battlefield, draw a card. {2}, {T}, Sacrifice Spare Supplies: Draw a card.

Sphere of the Suns enters the battlefield tapped and with three charge counters on it. {T}, Remove a charge counter from Sphere of the Suns: Add one mana of any color.

Star Compass enters the battlefield tapped. {T}: Add one mana of any color that a basic land you control could produce.

{T}: Add {C}. {T}: Add {U} or {R}. Talisman of Creativity deals 1 damage to you.

Terrarion enters the battlefield tapped. {2}, {T}, Sacrifice Terrarion: Add two mana in any combination of colors. When Terrarion is put into a graveyard from the battlefield, draw a card.

{T}, Sacrifice Tormod's Crypt: Exile target player's graveyard.

Flying Whenever you cast a historic spell, scry 1. (Artifacts, legendaries, and Sagas are historic. To scry 1, look at the top card of your library, then you may put that card on the bottom of your library.)

Artifact spells you cast have convoke. (Your creatures can help cast those spells. Each creature you tap while casting an artifact spell pays for {1} or one mana of that creature's color.)

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

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

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

Devoid (This card has no color.) Colorless spells you cast cost {1} less to cast.

{T}: Add {R}.

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

{T}: Add {C}.

This spell costs {X} 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.

Flying

({U/P} can be paid with either {U} or 2 life.) You may have Phyrexian Metamorph enter the battlefield as a copy of any artifact or creature on the battlefield, except it's an artifact in addition to its other types.

Infect (This creature deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.) {T}: Add {C}.

Whenever an artifact enters the battlefield under your control, Reckless Fireweaver deals 1 damage to each opponent.

Whenever you cast an artifact spell, you may draw a card. If you do, discard a card.

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.

As Mirrodin Besieged enters the battlefield, choose Mirran or Phyrexian. • Mirran — Whenever you cast an artifact spell, create a 1/1 colorless Myr artifact creature token. • Phyrexian — At the beginning of your end step, draw a card, then discard a card. Then if there are fifteen or more artifact cards in your graveyard, target opponent loses the game.

Return all artifacts target player owns to their hand.

Counter target instant or sorcery spell unless its controller pays {3}.

Counter target noncreature spell.

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.

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

({T}: Add {U}.)

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.

Return all nonland permanents with mana value X or less to their owners' hands.