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

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

Flying

{2}{U}, {T}: Draw two cards, then discard a card.

Whenever Atemsis, All-Seeing deals damage to an opponent, you may reveal your hand. If cards with at least six different mana values are revealed this way, that player loses the game.

This spell costs {1} less to cast for each creature on the battlefield.

Blasphemous Act deals 13 damage to each creature.

{T}: Add {C}.

{2}, {T}, Sacrifice Buried Ruin: Return target artifact card from your graveyard to your hand.

{T}: Add {C}.

{U/R}, {T}: Add {U}{U}, {U}{R}, or {R}{R}.

{T}: Add {U}. Cephalid Coliseum deals 1 damage to you.

Threshold -- {U}, {T}, Sacrifice Cephalid Coliseum: Target player draws three cards, then discards three cards. Activate only if seven or more cards are in your graveyard.

Whenever you draw a card, put a +1/+1 counter on Chasm Skulker.

When Chasm Skulker dies, create X 1/1 blue Squid creature tokens with islandwalk, where X is the number of +1/+1 counters on Chasm Skulker. (They can't be blocked as long as defending player controls an Island.)

Lands you control have "{T}: Add one mana of any color."

{T}: Add one mana of any color.

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

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

Sacrifice Commander's Sphere: Draw a card.

Flying

Whenever an opponent draws a card, you may draw two cards.

{T}: Add {C}.

{1}, {T}, Sacrifice Cryptic Caves: Draw a card. Activate only if you control five or more lands.

Casualty 2 (As you cast this spell, you may sacrifice a creature with power 2 or greater. When you do, copy this spell and you may choose a new target for the copy.)

Target player mills half their library, rounded down.

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.")

Desert of the Fervent enters the battlefield tapped.

{T}: Add {R}.

Cycling {1}{R} ({1}{R}, Discard this card: Draw a card.)

Desert of the Mindful enters the battlefield tapped.

{T}: Add {U}.

Cycling {1}{U} ({1}{U}, Discard this card: Draw a card.)

{T}: Add {C}.

{1}{U}{R}, {T}: Draw a card, then discard a card.

As long as it's your turn, this spell costs {2}{U}{U} less to cast.

End the turn. (Exile all spells and abilities from the stack, including this card. The player whose turn it is discards down to their maximum hand size. Damage wears off, and "this turn" and "until end of turn" effects end.)

Whenever a permanent deals damage to you, return it to its owner's hand.

At the beginning of each player's upkeep, that player mills X cards, where X is the number of cards in their hand.

Choose one. If you control a commander as you cast this spell, you may choose both.

• Target player draws X cards.

• Target player mills twice X cards.

If you would draw a card, exile the top two cards of your library instead. You may play those cards this 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.

Creatures and lands target opponent controls don't untap during their next untap step.

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

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

{T}, Pay 1 life: Add {U} or {R}.

{1}, {T}, Sacrifice Fiery Islet: Draw a card.

Forgotten Cave enters the battlefield tapped.

{T}: Add {R}.

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

{T}: Add {C}.

{2}, {T}: Each player draws a card, then discards a card.

{T}: Add {R}.

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

{2}, {T}, Sacrifice Hedron Archive: Draw two cards.

Enchant creature, land, or planeswalker

Enchanted permanent is a colorless land with "{T}: Add {C}" and loses all other card types and abilities.

(As a Siege enters, choose an opponent to protect it. You and others can attack it. When it's defeated, exile it, then cast it transformed.)

When Invasion of Kaldheim enters the battlefield, exile all cards from your hand, then draw that many cards. Until the end of your next turn, you may play cards exiled this way.

Discard a land card: Pyre of the World Tree deals 2 damage to any target.

Whenever you discard a land card, exile the top card of your library. You may play that card this turn.

{T}: Add {C}.

{T}, Pay 1 life: Add {U}.

{1}{U}, {T}, Sacrifice a Desert: Target player mills four cards.

({T}: Add {U}.)

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

{U}, {T}: Each player discards their hand, then draws cards equal to the greatest number of cards a player discarded this way.

+1: Draw a card. Target player mills a card.

0: Target player mills ten cards.

-7: Any number of target players each draw twenty cards.

Ward {2}

Whenever you cast a noncreature spell with mana value 3 or greater, draw a card.

{3}{U}: Exile Jin-Gitaxias, then return it to the battlefield transformed under its owner's control. Activate only as a sorcery and only if you have seven or more cards in hand.

(As this Saga enters and after your draw step, add a lore counter.)

I -- Draw cards equal to the number of cards in your hand. You have no maximum hand size for as long as you control The Great Synthesis.

II -- Return all non-Phyrexian creatures to their owners' hands.

III -- You may cast any number of spells from your hand without paying their mana costs. Exile The Great Synthesis, then return it to the battlefield (front face up).

Counter target spell unless its controller pays {1}.

Jwari Ruins enters the battlefield tapped.

{T}: Add {U}.

{5}, {T}: Target player mills X cards, where X is the number of cards in that player's graveyard.

(As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.)

I -- Create an 8/8 blue Kraken creature token with hexproof.

II -- Tap all nonland permanents target opponent controls. They don't untap during their controller's next untap step.

III -- Gain control of target permanent an opponent controls. Untap it.

Lonely Sandbar enters the battlefield tapped.

{T}: Add {U}.

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

Haste

Lieutenant -- At the beginning of combat on your turn, if you control your commander, create a 1/1 colorless Thopter artifact creature token with flying. That token gains haste until end of turn.

Mercurial Spelldancer can't be blocked.

Whenever you cast a noncreature spell, put an oil counter on Mercurial Spelldancer.

Whenever Mercurial Spelldancer deals combat damage to a player, you may remove two oil counters from it. If you do, when you cast your next instant or sorcery spell this turn, copy that spell. You may choose new targets for the copy.

Whenever a permanent becomes untapped, that permanent's controller mills a card.

{T}: Add {C}.

{2}, {T}: Each player draws a card.

Discard a card: You may tap or untap target artifact, creature, or land.

{T}: Add {C}.

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

{T}: Add {C}.

{T}: Put a charge counter on Mirrodin's Core.

{T}, Remove a charge counter from Mirrodin's Core: Add one mana of any color.

Flying

{1}{U}: Mirror-Mad Phantasm's owner shuffles it into their library. If that player does, they reveal cards from the top of that library until a card named Mirror-Mad Phantasm is revealed. The player puts that card onto the battlefield and all other cards revealed this way into their graveyard.

Surveil 2, then choose an instant or sorcery card in your graveyard. You may cast it this turn. If that spell would be put into your graveyard, exile it instead. (To surveil 2, look at the top two cards of your library, then put any number of them into your graveyard and the rest on top of your library in any order.)

({T}: Add {R}.)

Return target instant or sorcery card from your graveyard to your hand.

Flashback {2}{R} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

{X}{U}{R}, {T}: Nin, the Pain Artist deals X damage to target creature. That creature's controller draws X cards.

This spell can't be countered.

Flying

Whenever you draw a card, Niv-Mizzet, Parun deals 1 damage to any target.

Whenever a player casts an instant or sorcery spell, you draw a card.

Flying

Whenever you draw a card, Niv-Mizzet, the Firemind deals 1 damage to any target.

{T}: Draw a card.

{T}: Mill two cards.

{2}, Exile Perpetual Timepiece: Shuffle any number of target cards from your graveyard into your library.

Psychosis Crawler's power and toughness are each equal to the number of cards in your hand.

Whenever you draw a card, each opponent loses 1 life.

{T}: Add {C}.

{T}, Pay 1 life: Add {R}.

{2}{R}{R}, {T}, Sacrifice a Desert: Ramunap Ruins deals 2 damage to each opponent.

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

You have no maximum hand size.

{T}: Add {C}.

Remote Isle enters the battlefield tapped.

{T}: Add {U}.

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

Return all nonland permanents target player controls to their owner's hand.

{T}: Add {U}.

{T}: Add {R}.

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.

Draw cards equal to the number of cards in your hand plus one. You have no maximum hand size for the rest of the game.

As Sea Gate, Reborn enters the battlefield, you may pay 3 life. If you don't, it enters the battlefield tapped.

{T}: Add {U}.

{T}: Add {U}.

{T}: Add {C}.

{4}, {T}, Sacrifice Sequestered Stash: Mill five cards. Then you may put an artifact card from your graveyard on top of your library.

Whenever you cast a noncreature spell, create an X/X blue Shark creature token with flying, where X is that spell's mana value.

Cycling {X}{1}{U} ({X}{1}{U}, Discard this card: Draw a card.)

When you cycle Shark Typhoon, create an X/X blue Shark creature token with flying.

{T}: Add {C}.

{T}: Add {U} or {R}. Shivan Reef deals 1 damage to you.

Look at the top six cards of your library. You may reveal an instant or sorcery card from among them and put it into your hand. Put the rest on the bottom of your library in a random order.

Silundi Isle enters the battlefield tapped.

{T}: Add {U}.

Smoldering Crater enters the battlefield tapped.

{T}: Add {R}.

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

({T}: Add {U}.)

({T}: Add {R}.)

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

Flying

At the beginning of your postcombat main phase, there is an additional beginning phase after this phase. (The beginning phase includes the untap, upkeep, and draw steps.)

({T}: Add {U} or {R}.)

As Steam Vents enters the battlefield, you may pay 2 life. If you don't, it enters the battlefield tapped.

Target player mills four cards. You shuffle up to four cards from your graveyard into your library.

Replicate {2}{U}{U} (When you cast this spell, copy it for each time you paid its replicate cost. You may choose new targets for the copies.)

{T}: Add {C}.

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

Whenever you draw a card, put a loyalty counter on Teferi, Temporal Pilgrim.

0: Draw a card.

-2: Create a 2/2 blue Spirit creature token with vigilance and "Whenever you draw a card, put a +1/+1 counter on this creature."

-12: Target opponent chooses a permanent they control and returns it to its owner's hand. Then they shuffle each nonland permanent they control into its owner's library.

{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.)

If it's neither day nor night, it becomes day as The Celestus enters the battlefield.

{T}: Add one mana of any color.

{3}, {T}: If it's night, it becomes day. Otherwise, it becomes night. Activate only as a sorcery.

Whenever day becomes night or night becomes day, you gain 1 life. You may draw a card. If you do, discard a card.

Flying

Whenever you draw a card, create a 1/1 blue and red Insect creature token with flying and haste.

{2}{U}{R}: Draw a card, then discard a card.

When The Locust God dies, return it to its owner's hand at the beginning of the next end step.

Whenever you cast a noncreature spell, create a 1/1 colorless Soldier artifact creature token.

You have no maximum hand size.

{T}: Add {C}.

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

End the turn. (Exile all spells and abilities from the stack, including this card. The player whose turn it is discards down to their maximum hand size. Damage wears off, and "this turn" and "until end of turn" effects end.)

Partner with Pir, Imaginative Rascal (When this creature enters the battlefield, target player may put Pir into their hand from their library, then shuffle.)

Whenever you draw a card, put a +1/+1 counter on Toothy, Imaginary Friend.

When Toothy leaves the battlefield, draw a card for each +1/+1 counter on it.

Training Center enters the battlefield tapped unless you have two or more opponents.

{T}: Add {U} or {R}.

Target player mills half their library, rounded down.

You have no maximum hand size.

At the beginning of your upkeep, if you have exactly thirteen cards in your hand, you win the game.

{3}{U}: Draw a card.

Choose a card name. Target player reveals cards from the top of their library until a card with that name is revealed. If it is, that player puts the rest of the revealed cards into their graveyard and puts the card with the chosen name on top of their library. Otherwise, the player shuffles.

Each nonland card in your graveyard has escape. The escape cost is equal to the card's mana cost plus exile three other cards from your graveyard. (You may cast cards from your graveyard for their escape cost.)

At the beginning of the end step, sacrifice Underworld Breach.

Put any number of cards from your hand on the bottom of your library, then draw that many cards plus one.

Valakut Stoneforge enters the battlefield tapped.

{T}: Add {R}.

Whenever you cast a noncreature spell, put an oil counter on Vindictive Flamestoker.

{6}{R}, Sacrifice Vindictive Flamestoker: Discard your hand, then draw four cards. This ability costs {1} less to activate for each oil counter on Vindictive Flamestoker.

{T}: Add {C}.

{3}, {T}, Pay life equal to the number of colors in your commanders' color identity: Draw a card.

Each player discards their hand, then draws cards equal to the greatest number of cards a player discarded this way.