Change the text of target spell or permanent by replacing all instances of one color word with another. (This effect lasts indefinitely.)

Flashback {1}{U} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Target creature can't be blocked this turn.

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

Heroic -- Whenever you cast a spell that targets Artisan of Forms, you may have Artisan of Forms become a copy of target creature, except it has this ability.

Flying

Project Image -- When Astral Dragon enters the battlefield, create two tokens that are copies of target noncreature permanent, except they're 3/3 Dragon creatures in addition to their other types, and they have flying.

When Augur of Bolas enters the battlefield, look at the top three 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 any order.

Flying

When Augury Owl enters the battlefield, scry 3. (Look at the top three cards of your library, then put any number of them on the bottom of your library and the rest on top in any order.)

Until end of turn, target creature gains "{T}: Return target nonland permanent to its owner's hand."

As an additional cost to cast this spell, you may collect evidence 6. (Exile cards with total mana value 6 or greater from your graveyard.)

Until end of turn, target artifact or creature becomes an artifact creature with base power and toughness 4/3. If evidence was collected, it has base power and toughness 1/1 until end of turn instead.

Tap one or two target creatures without horsemanship.

You may reveal this card from your opening hand. If you do, at the beginning of the first upkeep, each opponent mills seven cards.

Flying

When Chancellor of the Spires enters the battlefield, you may cast target instant or sorcery card from an opponent's graveyard without paying its mana cost.

Target creature gets -4/-0 until end of turn. If you control a Wizard, draw a card.

Imprint -- When Chrome Mox enters the battlefield, you may exile a nonartifact, nonland card from your hand.

{T}: Add one mana of any of the exiled card's colors.

When Circuit Mender enters the battlefield, you gain 2 life.

When Circuit Mender leaves the battlefield, draw a card.

Target creature gains flying until end of turn.

Draw a card.

Whenever an opponent casts a spell, you may reveal the top card of your library. If you do, counter that spell if it has the same mana value as the revealed card.

When Cryptic Annelid enters the battlefield, scry 1, then scry 2, then scry 3. (To scry X, look at the top X cards of your library, then put any number of them on the bottom of your library and the rest on top in any order.)

Counter target instant spell.

Target creature gets +1/+0 until end of turn and can't be blocked this turn.

Rebound (If you cast this spell from your hand, exile it as it resolves. At the beginning of your next upkeep, you may cast this card from exile without paying its mana cost.)

Target creature gets -3/-0 until end of turn.

Transmute {1}{U}{U} ({1}{U}{U}, Discard this card: Search your library for a card with the same mana value as this card, reveal it, put it into your hand, then shuffle. Transmute only as a sorcery.)

When Exchange of Words enters the battlefield, choose two target creatures. For as long as Exchange of Words remains on the battlefield, exchange the text boxes of those creatures.

Create a token that's a copy of target creature you control. If it's your turn, 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.)

When Filigree Familiar enters the battlefield, you gain 2 life.

When Filigree Familiar dies, draw a card.

Draw a card for each Island you control, then discard two cards.

If it's not your turn, you may exile a blue card from your hand rather than pay this spell's mana cost.

Counter target noncreature spell. If that spell is countered this way, exile it instead of putting it into its owner's graveyard.

Return target nonland permanent to its owner's hand. If you controlled that permanent, draw a card.

{T}, Sacrifice an artifact: Target player mills three cards.

Whenever an artifact enters the battlefield, you may untap Grinding Station.

Tap target creature. Scry 1.

Draw a card.

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

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.

+1: Scry 1, then draw a card.

-2: Return target creature to its owner's hand.

-8: You get an emblem with "Whenever an opponent casts their first spell each turn, counter that spell."

+1: Reveal the top two cards of your library. An opponent chooses one of them. Put that card into your hand and exile the other with a silver counter on it.

-1: Put a card you own with a silver counter on it from exile into your hand.

-2: Create a 0/0 colorless Construct artifact creature token with "This creature gets +1/+1 for each artifact you control."

Counter target spell that targets a permanent you control.

Draw a card.

Whenever a player casts a blue spell, you may gain 1 life.

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

Equip {0}

Target creature gets +1/+1 and gains flying until end of turn.

Jump-start (You may cast this card from your graveyard by discarding a card in addition to paying its other costs. Then exile this card.)

Counter target spell. If that spell is countered this way, put it on top of its owner's library instead of into that player's graveyard.

({U/P} can be paid with either {U} or 2 life.)

Counter target spell with mana value 1.

Cumulative upkeep {1} (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.)

Whenever an opponent casts a noncreature spell, you may draw a card unless that player pays {4}.

Search your library for an instant or sorcery card, reveal it, then shuffle and put that card on top.

Copy target instant or sorcery spell, then return it to its owner's hand. You may choose new targets for the copy.

Each opponent can't draw more than one card each turn.

-2: Look at the top four cards of your library. You may reveal a noncreature, nonland card from among them and put it into your hand. Put the rest on the bottom of your library in a random order.

Flying

Whenever you cast an instant spell from your hand, it gains rebound. (Exile it as it resolves. At the beginning of your next upkeep, you may cast it from exile without paying its mana cost.)

When Ojer Pakpatiq dies, return it to the battlefield tapped and transformed under its owner's control with three time counters on it.

(Transforms from Ojer Pakpatiq, Deepest Epoch.)

{T}: Add {U}. Remove a time counter from Temple of Cyclical Time.

{2}{U}, {T}: Transform Temple of Cyclical Time. Activate only if it has no time counters on it and only as a sorcery.

Look at the top three cards of your library, then put them back in any order. You may shuffle.

Draw a card.

When Overwhelmed Apprentice enters the battlefield, each opponent mills two cards. Then you 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.)

Look at the top three cards of your library, then put them back in any order. You may shuffle.

Draw a card.

Create a token that's a copy of target creature you control.

Jump-start (You may cast this card from your graveyard by discarding a card in addition to paying its other costs. Then exile this card.)

Target creature becomes the color or colors of your choice until end of turn.

Draw a card.

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.)

Counter target spell unless its controller pays {2}.

Suspect up to one target creature. (A suspected creature has menace and can't block.)

Untap target creature.

Draw a card.

Exile target nonland permanent. For as long as that card remains exiled, its owner may cast it without paying its mana cost.

Until end of turn, target creature gains "{T}: Return target nonland permanent to its owner's hand."

When Riverwise Augur enters the battlefield, draw three cards, then put two cards from your hand on top of your library in any order.

Landfall -- Whenever a land enters the battlefield under your control, each opponent mills three cards. (To mill a card, a player puts the top card of their library into their graveyard.)

When Sage of Epityr enters the battlefield, look at the top four cards of your library, then put them back in any order.

Blue spells you cast cost {1} 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.

Target creature gets -2/-0 until end of turn.

Draw a card.

Target creature you control gets +1/+1 and gains hexproof until end of turn. Untap it. (It can't be the target of spells or abilities your opponents control.)

Flash

Squad {2} (As an additional cost to cast this spell, you may pay {2} any number of times. When this creature enters the battlefield, create that many tokens that are copies of it.)

Benediction of the Omnissiah -- When Sicarian Infiltrator enters the battlefield, draw a card.

Equipped creature gets +1/-1.

Whenever equipped creature dies, draw two cards.

Equip {1}

Devoid (This card has no color.)

Target creature can't be blocked this turn.

Draw a card.

Whenever Sludge Monster enters the battlefield or attacks, put a slime counter on up to one other target creature.

Non-Horror creatures with slime counters on them lose all abilities and have base power and toughness 2/2.

Search your library for an instant or sorcery card, reveal it, put it into your hand, then shuffle.

Flying

When Sower of Temptation enters the battlefield, gain control of target creature for as long as Sower of Temptation remains on the battlefield.

You may have Spark Double enter the battlefield as a copy of a creature or planeswalker you control, except it enters with an additional +1/+1 counter on it if it's a creature, it enters with an additional loyalty counter on it if it's a planeswalker, and it isn't legendary.

When Spellseeker enters the battlefield, you may search your library for an instant or sorcery card with mana value 2 or less, reveal it, put it into your hand, then shuffle.

Target creature gets -2/-0 until end of turn. Create a 2/2 black Zombie creature token with decayed. (It can't block. When it attacks, sacrifice it at end of combat.)

Draw a card.

Islandwalk (This creature can't be blocked as long as defending player controls an Island.)

All lands are Islands in addition to their other types.

Creatures without flying or islandwalk can't attack.

This spell costs {2}{U} less to cast if you've cast an instant or sorcery spell this turn.

Flying

Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.)

When Stormwing Entity enters the battlefield, scry 2.

Target creature gets -4/-0 until end of turn. If you control a Wizard, draw a card.

Counter target enchantment, instant, or sorcery spell. Its controller creates a 2/2 blue Bird creature token with flying.

Any number of target creatures become the color of your choice until end of turn.

Draw a card.

Exile target permanent you control. Return that card to the battlefield under its owner's control at the beginning of the next end step. If it enters the battlefield as a creature, it enters with an additional +1/+1 counter on it.

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.

Look at the top three cards of your library. Put one of those cards into your hand, one on top of your library, and one on the bottom of your library.

Flash

When Tishana's Tidebinder enters the battlefield, counter up to one target activated or triggered ability. If an ability of an artifact, creature, or planeswalker is countered this way, that permanent loses all abilities for as long as Tishana's Tidebinder remains on the battlefield. (Mana abilities can't be targeted.)

Enchant creature

When Treachery enters the battlefield, untap up to five lands.

You control enchanted creature.

You may tap or untap target artifact, creature, or land.

You may tap or untap target artifact, creature, or land.

Draw a card.

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

I -- Urza's Saga gains "{T}: Add {C}."

II -- Urza's Saga gains "{2}, {T}: Create a 0/0 colorless Construct artifact creature token with 'This creature gets +1/+1 for each artifact you control.'"

III -- Search your library for an artifact card with mana cost {0} or {1}, put it onto the battlefield, then shuffle.

Flash

When Venser, Shaper Savant enters the battlefield, return target spell or permanent to its owner's hand.

Whenever you cast your first spell during each opponent's turn, draw a card.

Whenever a creature an opponent controls becomes the target of a spell or ability you control, gain control of that creature for as long as you control Willbreaker.