At the beginning of your upkeep, you may put a charge counter on Aether Vial.

{T}: You may put a creature card with mana value equal to the number of charge counters on Aether Vial from your hand onto the battlefield.

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.

{T}: Add {C}{C}. Ancient Tomb deals 2 damage to you.

Nonbasic lands don't untap during their controllers' untap steps.

As Black Vise enters the battlefield, choose an opponent.

At the beginning of the chosen player's upkeep, Black Vise deals X damage to that player, where X is the number of cards in their hand minus 4.

{T}: Add {C}.

Cycling {2} ({2}, Discard this card: Draw a card.)

Trample, infect, indestructible

If Blightsteel Colossus would be put into a graveyard from anywhere, reveal Blightsteel Colossus and shuffle it into its owner's library instead.

{T}: Flip a coin. If you win the flip, destroy all nonland permanents.

Search target opponent's library for a creature card and put that card onto the battlefield under your control. Then that player shuffles.

As Caged Sun enters the battlefield, choose a color.

Creatures you control of the chosen color get +1/+1.

Whenever a land's ability causes you to add one or more mana of the chosen color, add one additional mana of that color.

Counter target spell unless its controller pays {1} for each card in your graveyard.

Madness {U} (If you discard this card, discard it into exile. When you do, cast it for its madness cost or put it into your graveyard.)

When you play another land, sacrifice City of Traitors.

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

Counter target spell.

Defender

{T}: Creatures you control gain haste until end of turn.

Return target nonland permanent you don't control to its owner's hand.

Overload {6}{U} (You may cast this spell for its overload cost. If you do, change "target" in its text to "each.")

Indestructible

{T}: Add {C}.

Counter target spell, activated ability, or triggered ability. (Mana abilities can't be targeted.)

{3}, {T}: Double the amount of each type of unspent mana you have.

Untap all nonland permanents you control.

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

Counter target creature spell.

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

Counter target instant or sorcery spell unless its controller pays {1}.

Storm (When you cast this spell, copy it for each spell cast before it this turn. You may choose new targets for the copies.)

Defender, flying

Prevent all combat damage that would be dealt to and dealt by Fog Bank.

You may discard an Island card and another card rather than pay this spell's mana cost.

Counter target spell.

You may pay 1 life and exile a blue card from your hand rather than pay this spell's mana cost.

Counter target spell.

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

Draw two cards, then discard two cards. Untap up to three lands.

{3}, {T}: Target player mills two cards. If two cards that share a color were milled this way, repeat this process.

At the beginning of each player's draw step, if Howling Mine is untapped, that player draws an additional card.

{1}, {T}: Tap target artifact, creature, or land.

Look at the top four cards of your library. Put one of them into your hand and the rest on the bottom of your library in any order.

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

Imprint -- When Isochron Scepter enters the battlefield, you may exile an instant card with mana value 2 or less from your hand.

{2}, {T}: You may copy the exiled card. If you do, you may cast the copy without paying its mana cost.

+4: Target player exiles a card from their hand.

-3: Exile target permanent.

-14: Restart the game, leaving in exile all non-Aura permanent cards exiled with Karn Liberated. Then put those cards onto the battlefield under your control.

When Leveler enters the battlefield, exile all cards from your library.

Equipped creature has haste and shroud. (It can't be the target of spells or abilities.)

Equip {0}

At the beginning of your upkeep, flip a coin. If you lose the flip, Mana Crypt deals 3 damage to you.

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

Mana Vault doesn't untap during your untap step.

At the beginning of your upkeep, you may pay {4}. If you do, untap Mana Vault.

At the beginning of your draw step, if Mana Vault is tapped, it deals 1 damage to you.

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

Enchant artifact you control

At the beginning of your upkeep, create a token that's a copy of enchanted artifact. Then if you control eight or more artifacts with the same name as one another, you win the game.

{1}{U}{U}: Target permanent becomes an artifact in addition to its other types. (This effect lasts indefinitely.)

{3}{U}: Gain control of target artifact. (This effect lasts indefinitely.)

Improvise (Your artifacts can help cast this spell. Each artifact you tap after you're done activating mana abilities pays for {1}.)

Counter target spell unless its controller pays {3}.

{4}, {T}, Sacrifice Mindslaver: You control target player during that player's next turn. (You see all cards that player could see and make all decisions for the player.)

{T}, Sacrifice Mishra's Bauble: Look at the top card of target player's library. Draw a card at the beginning of the next turn's upkeep.

{T}: Add {C}.

{1}: Mishra's Factory becomes a 2/2 Assembly-Worker artifact creature until end of turn. It's still a land.

{T}: Target Assembly-Worker creature gets +1/+1 until end of turn.

All permanents are artifacts in addition to their other types.

All cards that aren't on the battlefield, spells, and permanents are colorless.

Players may spend mana as though it were mana of any color.

When Myr Retriever dies, return another target artifact card from your graveyard to your hand.

({T}: Add {U}.)

Mystic Sanctuary enters the battlefield tapped unless you control three or more other Islands.

When Mystic Sanctuary enters the battlefield untapped, you may put target instant or sorcery card from your graveyard on top of your library.

Flying

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.

As Painter's Servant enters the battlefield, choose a color.

All cards that aren't on the battlefield, spells, and permanents are the chosen color in addition to their other colors.

Annihilator 3 (Whenever this creature attacks, defending player sacrifices three permanents.)

Pathrazer of Ulamog can't be blocked except by three or more creatures.

Cumulative upkeep--Sacrifice a creature. (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.)

Exile target creature. Its controller manifests the top card of their library. (That player puts the top card of their library onto the battlefield face down as a 2/2 creature. If it's a creature card, it can be turned face up any time for its mana cost.)

You have no maximum hand size.

{T}: Add {C}.

Whenever an opponent casts a spell, you may draw a card unless that player pays {1}.

Whenever you activate an ability, if it isn't a mana ability, you may pay {2}. If you do, copy that ability. You may choose new targets for the copy.

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.

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

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

{T}: Add {U}.

{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.

Equipped creature gets +1/-1.

Whenever equipped creature dies, draw two cards.

Equip {1}

Flash

When Snapcaster Mage enters the battlefield, target instant or sorcery card in your graveyard gains flashback until end of turn. The flashback cost is equal to its mana cost. (You may cast that card from your graveyard for its flashback cost. Then exile it.)

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

You have no maximum hand size.

{U/P}: Change a target of target spell or ability to Spellskite. ({U/P} can be paid with either {U} or 2 life.)

As long as Static Orb is untapped, players can't untap more than two permanents during their untap steps.

At the beginning of each player's draw step, that player puts the cards in their hand on the bottom of their library in any order, then draws that many cards.

{T}: Add {C}{C}. Activate only if you control five or more lands.

When Thassa's Oracle enters the battlefield, look at the top X cards of your library, where X is your devotion to blue. Put up to one of them on top of your library and the rest on the bottom of your library in a random order. If X is greater than or equal to the number of cards in your library, you win the game. (Each {U} in the mana costs of permanents you control counts toward your devotion to blue.)

Flash

When Torrential Gearhulk enters the battlefield, you may cast target instant card from your graveyard without paying its mana cost. If that spell would be put into your graveyard, exile it instead.

When Urza, Lord High Artificer enters the battlefield, create a 0/0 colorless Construct artifact creature token with "This creature gets +1/+1 for each artifact you control."

Tap an untapped artifact you control: Add {U}.

{5}: Shuffle your library, then exile the top card. Until end of turn, you may play that card without paying its mana cost.

You may cast spells as though they had flash.

{1}, {T}: Untap target artifact.

{T}: Add {C}.

{T}, Sacrifice Wasteland: Destroy target nonbasic land.

As long as Winter Orb is untapped, players can't untap more than one land during their untap steps.

When Witching Well enters the battlefield, scry 2. (Look at the top two cards of your library, then put any number of them on the bottom of your library and the rest on top in any order.)

{3}{U}, Sacrifice Witching Well: Draw two cards.