Cloud Cover

Whenever another permanent you control becomes the target of a spell or ability an opponent controls, you may return that permanent to its owner's hand.

Glamerdye

Change the text of target spell or permanent by replacing all instances of one color word with another.
Retrace (You may cast this card from your graveyard by discarding a land card in addition to paying its other costs.)

Dissipation Field

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

Sisay's Ingenuity

Enchant creature
When this Aura enters, draw a card.
Enchanted creature has "{2}{U}: Target creature becomes the color of your choice until end of turn."

Adventurer's Inn

When this land enters, you gain 2 life.
{T}: Add {C}.

Breath of Dreams

Cumulative upkeep {U} (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.)
Green creatures have "Cumulative upkeep {1}."

Gongaga, Reactor Town

This land enters tapped.
{T}: Add {R} or {G}.

Vector, Imperial Capital

This land enters tapped.
{T}: Add {B} or {R}.

Circle of Protection: Green

{1}: The next time a green source of your choice would deal damage to you this turn, prevent that damage.

Flashfreeze

Arcane Denial

Counter target spell. Its controller may draw up to two cards at the beginning of the next turn's upkeep.
You draw a card at the beginning of the next turn's upkeep.

Change the Equation

Choose one —
• Counter target spell with mana value 2 or less.
• Counter target red or green spell with mana value 6 or less.

Scuttlemutt

{T}: Add one mana of any color.
{T}: Target creature becomes the color or colors of your choice until end of turn.

Teferi's Moat

As this enchantment enters, choose a color.
Creatures of the chosen color without flying can't attack you.

Deathgrip

The Gold Saucer

{T}: Add {C}.
{2}, {T}: Flip a coin. If you win the flip, create a Treasure token.
{3}, {T}, Sacrifice two artifacts: Draw a card.

Alter Reality

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.)

Llawan, Cephalid Empress

When Llawan enters, return all blue creatures your opponents control to their owners' hands.
Your opponents can't cast blue creature spells.

Genesis Wave

Reveal the top X cards of your library. You may put any number of permanent cards with mana value X or less from among them onto the battlefield. Then put all cards revealed this way that weren't put onto the battlefield into your graveyard.

Pentarch Paladin

Flanking (Whenever a creature without flanking blocks this creature, the blocking creature gets -1/-1 until end of turn.)
As this creature enters, choose a color.
{W}{W}, {T}: Destroy target permanent of the chosen color.

Eastern Paladin

{B}{B}, {T}: Destroy target green creature.

Blind Seer

{1}{U}: Target spell or permanent becomes the color of your choice until end of turn.

The Wandering Minstrel

Lands you control enter untapped.
The Minstrel's Ballad — At the beginning of combat on your turn, if you control five or more Towns, create a 2/2 Elemental creature token that's all colors.
{3}{W}{U}{B}{R}{G}: Other creatures you control get +X/+X until end of turn, where X is the number of Towns you control.

Warped Devotion

Whenever a permanent is returned to a player's hand, that player discards a card.

Sharlayan, Nation of Scholars

This land enters tapped.
{T}: Add {W} or {U}.

Coalition Victory

You win the game if you control a land of each basic land type and a creature of each color.

Rabanastre, Royal City

This land enters tapped.
{T}: Add {R} or {W}.

Swirl the Mists

As this enchantment enters, choose a color word.
All instances of color words in the text of spells and permanents are changed to the chosen color word.

Villainous Wealth

Target opponent exiles the top X cards of their library. You may cast any number of spells with mana value X or less from among them without paying their mana costs.

Stromgald Cabal

{T}, Pay 1 life: Counter target white spell.

Gohn, Town of Ruin

This land enters tapped.
{T}: Add {B} or {G}.

Runeflare Trap

If an opponent drew three or more cards this turn, you may pay {R} rather than pay this spell's mana cost.
Runeflare Trap deals damage to target player equal to the number of cards in that player's hand.

Maze's End

This land enters tapped.
{T}: Add {C}.
{3}, {T}, Return this land to its owner's hand: Search your library for a Gate card, put it onto the battlefield, then shuffle. If you control ten or more Gates with different names, you win the game.

Painter's Servant

As this creature enters, choose a color.
All cards that aren't on the battlefield, spells, and permanents are the chosen color in addition to their other colors.

Tidal Visionary

{T}: Target creature becomes the color of your choice until end of turn.

Order of the Sacred Torch

{T}, Pay 1 life: Counter target black spell.

Baron, Airship Kingdom

This land enters tapped.
{T}: Add {U} or {R}.

Tsabo's Assassin

{T}: Destroy target creature if it shares a color with the most common color among all permanents or a color tied for most common. A creature destroyed this way can't be regenerated.

Karma

At the beginning of each player's upkeep, this enchantment deals damage to that player equal to the number of Swamps they control.

Shifting Sky

As this enchantment enters, choose a color.
All nonland permanents are the chosen color.

Mana Reflection

If you tap a permanent for mana, it produces twice as much of that mana instead.

Dovin's Veto

This spell can't be countered.
Counter target noncreature spell.

Vodalian Mystic

{T}: Target instant or sorcery spell becomes the color of your choice.

Dromar's Charm

Choose one —
• You gain 5 life.
• Counter target spell.
• Target creature gets -2/-2 until end of turn.

Leshrac's Sigil

Whenever an opponent casts a green spell, you may pay {B}{B}. If you do, look at that player's hand and choose a card from it. The player discards that card.
{B}{B}: Return this enchantment to its owner's hand.

Insight

Whenever an opponent casts a green spell, you draw a card.

Circle of Protection: Black

{1}: The next time a black source of your choice would deal damage to you this turn, prevent that damage.

Flooded Woodlands

Green creatures can't attack unless their controller sacrifices a land of their choice for each green creature they control that's attacking. (This cost is paid as attackers are declared.)

Capital City

{T}: Add {C}.
{1}, {T}: Add one mana of any color.
Cycling {2} ({2}, Discard this card: Draw a card.)

Windurst, Federation Center

This land enters tapped.
{T}: Add {G} or {W}.

Anguished Unmaking

Exile target nonland permanent. You lose 3 life.

Doppelgang

For each of X target permanents, create X tokens that are copies of that permanent.

Treno, Dark City

This land enters tapped.
{T}: Add {U} or {B}.

Northern Paladin

{W}{W}, {T}: Destroy target black permanent.

Guadosalam, Farplane Gateway

This land enters tapped.
{T}: Add {G} or {U}.

Western Paladin

{B}{B}, {T}: Destroy target white creature.

Insomnia, Crown City

This land enters tapped.
{T}: Add {W} or {B}.

Amulet of Vigor

Whenever a permanent you control enters tapped, untap it.

Dreamborn Muse

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

Aether Gust

Choose target spell or permanent that's red or green. Its owner puts it on their choice of the top or bottom of their library.