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.)

When Coveted Jewel enters the battlefield, draw three cards. {T}: Add three mana of any one color. Whenever one or more creatures an opponent controls attack you and aren't blocked, that player draws three cards and gains control of Coveted Jewel. Untap it.

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

{T}: Each player draws a card.

{1}{W}{W}: Target creature you control gains protection from the color of your choice until end of turn. {1}{U}{U}: Armored Guardian gains shroud until end of turn. (It can't be the target of spells or abilities.)

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.

Flying, vigilance {1}{W}: Prevent all damage that would be dealt to another target creature this turn by sources of the color of your choice. {5}{W}{W}: Prevent all damage that would be dealt to target player or planeswalker this turn by sources of the color of your choice.

Sacrifice Benevolent Bodyguard: Target creature you control gains protection from the color of your choice until end of turn.

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

{T}: Target player draws two cards, then discards two cards.

Empty-Shrine Kannushi has protection from the colors of permanents you control.

Whenever an opponent draws a card, Fate Unraveler deals 1 damage to that player.

At the beginning of each opponent's upkeep, that player chooses draw step, main phase, or combat phase. The player skips each instance of the chosen step or phase this turn.

{T}: Another target creature you control gains protection from colorless or from the color of your choice until end of turn.

{T}: Each player may draw a card, then each player who drew a card this way gains 1 life.

{T}: Target creature you control gains protection from the color of your choice until end of turn.

Enchant creature As Chromatic Armor enters the battlefield, choose a color. Chromatic Armor enters the battlefield with a sleight counter on it. Prevent all damage that would be dealt to enchanted creature by sources of the last chosen color. {X}: Put a sleight counter on Chromatic Armor and choose a color. X is the number of sleight counters on Chromatic Armor.

Whenever a creature enters the battlefield, destroy it. {0}: Destroy Lethal Vapors. You skip your next turn. Any player may activate this ability.

Players can't cast spells that share a color with the spell most recently cast this turn.

When Mystic Barrier enters the battlefield or at the beginning of your upkeep, choose left or right. Each player may attack only the nearest opponent in the last chosen direction and planeswalkers controlled by that opponent.

As Shifting Sky enters the battlefield, choose a color. All nonland permanents are the chosen color.

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 or planeswalker you control gains protection from colorless or from the color of your choice until end of turn. If it's a creature, put a +1/+1 counter on it. (It can't be blocked, targeted, dealt damage, enchanted, or equipped by anything with that quality.)

Radiance — Choose a color. Target creature and each other creature that shares a color with it gain protection from the chosen color until end of turn.

Target creature you control gains protection from the color of your choice until end of turn. Splice onto Arcane {W} (As you cast an Arcane spell, you may reveal this card from your hand and pay its splice cost. If you do, add this card's effects to that spell.)

Choose a color. White creatures you control gain protection from the chosen color until end of turn.

Target player draws four cards, then discards three cards. If you cast this spell during your main phase, instead that player draws four cards, then discards two cards.

Target creature you control gains protection from the color of your choice until end of 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.)

Surge {2}{U} (You may cast this spell for its surge cost if you or a teammate has cast another spell this turn.) Target player draws two cards.

Target creature you control gains protection from the color of your choice until end of 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 permanent you control gains protection from the color of your choice until end of turn. Fateful hour — If you have 5 or less life, instead you and each permanent you control gain protection from the color of your choice until end of turn.

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.)

Change the text of target permanent by replacing all instances of one color word with another or one basic land type with another. (For example, you may change "nonblack creature" to "nongreen creature" or "forestwalk" to "islandwalk." This effect lasts indefinitely.)

Target player mills two cards, draws two cards, and loses 2 life. (To mill a card, a player puts the top card of their library into their graveyard.)

Choose target player and another target player. The first player controls the second player during the second player's next turn, and the second player controls the first player during the first player's next turn.

Target player sacrifices half the permanents they control, rounded down. Suspend 2—{2}{B}{B} (Rather than cast this card from your hand, you may pay {2}{B}{B} and exile it with two time counters on it. At the beginning of your upkeep, remove a time counter. When the last is removed, you may cast it without paying its mana cost.) At the beginning of each player's upkeep, if Curse of the Cabal is suspended, that player may sacrifice a permanent. If the player does, put two time counters on Curse of the Cabal.

Target player draws two cards. Flashback—{1}{U}, Pay 3 life. (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Gain control of target monocolored creature. Forecast — {1}{U}, Reveal Govern the Guildless from your hand: Target creature becomes the color or colors of your choice until end of turn. (Activate only during your upkeep and only once each turn.)

Choose left or right. Starting with you and proceeding in the chosen direction, each player chooses a creature controlled by the next player in that direction. Each player gains control of the creature they chose.

Target player draws two cards and loses 2 life.