Aeon Engine enters the battlefield tapped.

{T}, Exile Aeon Engine: Reverse the game's turn order. (For example, if play had proceeded clockwise around the table, it now goes counterclockwise.)

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.

Choose one or both --

• Exile target artifact or creature you control, then return it to the battlefield under its owner's control.

• Return target artifact or creature card with mana value 3 or less from your graveyard to the battlefield.

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

Ascend (If you control ten or more permanents, you get the city's blessing for the rest of the game.)

{T}: Add {C}.

{5}, {T}: Draw a card. Activate only if you have the city's blessing.

({S} can be paid with one mana from a snow source.)

When Arcum's Astrolabe enters the battlefield, draw a card.

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

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

{1}, Sacrifice Basilica Skullbomb: Draw a card.

{2}{W}, Sacrifice Basilica Skullbomb: Target creature you control gets +2/+2 and gains flying until end of turn. Draw a card. Activate only as a sorcery.

Return all artifact and enchantment cards from your graveyard to the battlefield.

{T}, Sacrifice Buried Treasure: Add one mana of any color.

{5}, Exile Buried Treasure from your graveyard: Discover 5. Activate only as a sorcery. (Exile cards from the top of your library until you exile a nonland card with mana value 5 or less. Cast it without paying its mana cost or put it into your hand. Put the rest on the bottom in a random order.)

Vigilance

When Cataclysmic Gearhulk enters the battlefield, each player chooses an artifact, a creature, an enchantment, and a planeswalker from among the nonland permanents they control, then sacrifices the rest.

Equipped creature gets +2/+2.

As long as equipped creature is legendary, it has hexproof. (It can't be the target of spells or abilities your opponents control.)

Equip {1}

{X}{1}: Chimeric Coils becomes an X/X Construct artifact creature. Sacrifice it at the beginning of the next end step.

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

Destroy all creatures with toughness 4 or greater.

When Clay-Fired Bricks enters the battlefield, search your library for a basic Plains card, reveal it, put it into your hand, then shuffle. You gain 2 life.

Craft with artifact {5}{W}{W} ({5}{W}{W}, Exile this artifact, Exile another artifact you control or an artifact card from your graveyard: Return this card transformed under its owner's control. Craft only as a sorcery.)

When Cosmium Kiln enters the battlefield, create two 1/1 colorless Gnome artifact creature tokens.

Creatures you control get +1/+1.

As Cloud Key enters the battlefield, choose artifact, creature, enchantment, instant, or sorcery.

Spells you cast of the chosen type cost {1} less to cast.

No more than two creatures can attack you each combat.

Each player who controls a multicolored creature draws a card. Then destroy all creatures.

At the beginning of your upkeep, if an opponent controls more lands than you, create a Treasure token. (It's an artifact with "{T}, Sacrifice this artifact: Add one mana of any color.")

{2}{W}: Choose another player. That player gains control of target Treasure you control. You draw a card.

Destroy all creatures.

Foretell {1}{W}{W} (During your turn, you may pay {2} and exile this card from your hand face down. Cast it on a later turn for its foretell cost.)

Destroy all creatures and all permanents attached to creatures.

When Eriette's Tempting Apple enters the battlefield, gain control of target creature until end of turn. Untap that creature. It gains haste until end of turn.

{2}, {T}, Sacrifice Eriette's Tempting Apple: You gain 3 life.

{2}, {T}, Sacrifice Eriette's Tempting Apple: Target opponent loses 3 life.

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.

{T}: Add one mana of any color.

Craft with two that share a card type {6} ({6}, Exile this artifact, Exile the two from among other permanents you control and/or cards from your graveyard: Return this card transformed under its owner's control. Craft only as a sorcery.)

Apex Observatory enters the battlefield tapped. As it enters, choose a card type shared among two exiled cards used to craft it.

{T}: The next spell you cast this turn of the chosen type can be cast without paying its mana cost.

When Eye of Vecna enters the battlefield, 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.

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

{2}{W}, {T}, 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.

{T}: Add one mana of any color that a land an opponent controls could produce.

Firemind Vessel enters the battlefield tapped.

{T}: Add two mana of different colors.

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

When Fraying Line enters the battlefield, put a rope counter on target creature you control.

At the beginning of each player's upkeep, that player may pay {2}. If they do, they put a rope counter on a creature they control. Otherwise, exile Fraying Line and each creature without a rope counter on it, then remove all rope counters from all creatures.

Creatures can't attack you unless their controller pays {2} for each creature they control that's attacking you.

{T}: Add three mana of any one color.

When Glass Casket enters the battlefield, exile target creature an opponent controls with mana value 3 or less until Glass Casket leaves the battlefield.

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.

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

At the beginning of combat on your turn, create a token that's a copy of equipped creature, except the token isn't legendary. That token gains haste.

Equip {5}

{1}, {T}: Exile target creature you control.

{7}, {T}: Exile target creature you don't control.

When Helvault is put into a graveyard from the battlefield, return all cards exiled with it to the battlefield under their owners' control.

{T}: Add one mana of any color.

{2}, {T}: Exile target card from a graveyard.

This spell costs {3} less to cast if there are ten or more nonland permanents on the battlefield.

Destroy all nonland permanents.

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

Flying

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

{T}: Add {C}.

{4}, {T}: Remove target attacking or blocking creature from combat.

When Meteorite enters the battlefield, it deals 2 damage to any target.

{T}: Add one mana of any color.

Whenever an opponent draws a card, you may pay {1}. If you do, draw a card.

{T}: Add one mana of any color.

{1}, {T}, Tap another untapped artifact you control: Draw a card, then discard a card.

Creatures can't attack planeswalkers you control unless their controller pays {1} for each creature they control that's attacking a planeswalker you control.

{4}{W}{W}, Exile Onakke Oathkeeper from your graveyard: Return target planeswalker card from your graveyard to the battlefield.

{1}, {T}, Sacrifice Origin Spellbomb: Create a 1/1 colorless Myr artifact creature token.

When Origin Spellbomb is put into a graveyard from the battlefield, you may pay {W}. If you do, draw a card.

Magical Tinkering -- {W}, {T}, Sacrifice an artifact: Search your library for an artifact card with mana value equal to 1 plus the sacrificed artifact's mana value, put it onto the battlefield, then shuffle. Activate only as a sorcery.

{T}: Add one mana of any color.

{1}, {T}: Untap target legendary creature you control.

Sacrifice a creature: Add one mana of any color.

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

When Portable Hole enters the battlefield, exile target nonland permanent an opponent controls with mana value 2 or less until Portable Hole leaves the battlefield.

{W}, Sacrifice Salvage Scout: Return target artifact card from your graveyard to your hand.

{T}: Return target noncreature artifact card with mana value 1 or less from your graveyard to the battlefield.

Whenever a creature dies, you may untap Salvaging Station.

No more than one creature can attack each combat.

No more than one creature can block each combat.

When Skittering Surveyor enters the battlefield, you may search your library for a basic land card, reveal it, put it into your hand, then shuffle.

As Sol Grail enters the battlefield, choose a color.

{T}: Add one mana of the chosen color.

When Spine of Ish Sah enters the battlefield, destroy target permanent.

When Spine of Ish Sah is put into a graveyard from the battlefield, return Spine of Ish Sah to its owner's hand.

Star Compass enters the battlefield tapped.

{T}: Add one mana of any color that a basic land you control could produce.

Equipped creature has hexproof and haste. (It can't be the target of spells or abilities your opponents control.)

Equip {1}

{2}, {T}: Exile target permanent you control.

{2}, Sacrifice Synod Sanctum: Return all cards exiled with Synod Sanctum to the battlefield under your control.

Equipped creature has vigilance.

Whenever another artifact or creature is put into a graveyard from the battlefield, put a +1/+1 counter on equipped creature.

Equip {2}

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.

Equipped creature has "{3}, {Q}: This creature gets +2/+2 until end of turn." ({Q} is the untap symbol.)

Equip {0}

When Unstable Glyphbridge enters the battlefield, if you cast it, for each player, choose a creature with power 2 or less that player controls. Then destroy all creatures except creatures chosen this way.

Craft with artifact {3}{W}{W} ({3}{W}{W}, Exile this artifact, Exile another artifact you control or an artifact card from your graveyard: Return this card transformed under its owner's control. Craft only as a sorcery.)

Flying

Whenever an opponent casts a spell during their turn, they can't attack you or planeswalkers you control this turn.

Each opponent who attacked you or a planeswalker you control this turn can't cast spells.