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

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

Activated abilities of creatures cost {1} less to activate. This effect can't reduce the mana in that cost to less than one mana.

Whenever an ability of equipped creature is activated, if it isn't a mana ability, copy that ability. You may choose new targets for the copy. Equip {3}

Equipped creature has haste and shroud. (It can't be the target of spells or abilities.) Equip {0}

Equipped creature has shroud. (It can't be the target of spells or abilities.) {U}{U}: Attach Neurok Stealthsuit to target creature you control. Equip {1} ({1}: Attach to target creature you control. Equip only as a sorcery.)

Whenever equipped creature deals combat damage to a player, you draw that many cards. Equip {4} Equip Shaman, Warlock, or Wizard {1}

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

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

{U}, {T}: Add {C}{C}{C}.

{T}: Draw three cards. {2}{U}{U}: Return Arcanis the Omnipotent to its owner's hand.

Tap an untapped Wizard you control: Draw a card.

{T}: Change the text of target white enchantment you control that doesn't have cumulative upkeep by replacing all instances of one color word with another. (For example, you may change "black creatures can't attack" to "blue creatures can't attack.") That enchantment gains "Cumulative upkeep {1}." (At the beginning of its controller's upkeep, that player puts an age counter on it, then sacrifices it unless they pay its upkeep cost for each age counter on it.)

Instant and sorcery spells you cast cost {1} less to cast. Whenever a spell or ability you control counters a spell, you may draw a card. If you do, discard a card.

Flying Protection from red (This creature can't be blocked, targeted, dealt damage, enchanted, or equipped by anything red.) Sacrifice Cerulean Drake: Counter target spell that targets you.

Flying As an additional cost to cast blue permanent spells, you may pay 2 life. Those spells cost {U} less to cast if you paid life this way. This effect reduces only the amount of blue mana you pay. Whenever you cast a blue permanent spell, draw a card.

When Gadwick, the Wizened enters the battlefield, draw X cards. Whenever you cast a blue spell, tap target nonland permanent an opponent controls.

{U}: Tap target green creature.

{1}{U}, {T}: Put target green creature on top of its owner's library.

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

Protection from red Elemental creatures you control get +1/+1. When Master of Waves enters the battlefield, create a number of 1/0 blue Elemental creature tokens equal to your devotion to blue. (Each {U} in the mana costs of permanents you control counts toward your devotion to blue.)

When you control no Islands, sacrifice Seasinger. You may choose not to untap Seasinger during your untap step. {T}: Gain control of target creature whose controller controls an Island for as long as you control Seasinger and Seasinger remains tapped.

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.

Flash (You may cast this spell any time you could cast an instant.) When Vedalken Aethermage enters the battlefield, return target Sliver to its owner's hand. Wizardcycling {3} ({3}, Discard this card: Search your library for a Wizard card, reveal it, put it into your hand, then shuffle.)

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}."

At the beginning of your upkeep, if you control a red or green permanent, draw a card, then discard a card. If you control a red permanent and a green permanent, instead draw two cards, then discard a card.

Red spells cost {2} more to cast.

Whenever a creature becomes the target of a spell or ability, return that creature to its owner's hand. (It won't be affected by the spell or ability.)

Each creature your opponents control is an Illusion in addition to its other types and has "When this creature becomes the target of a spell or ability, sacrifice it."

{1}{U}: Counter target red spell.

Creatures don't untap during their controllers' untap steps. At the beginning of each player's upkeep, that player may choose any number of tapped nongreen creatures they control and pay {2} for each creature chosen this way. If the player does, untap those creatures.

Red creature spells and green creature spells cost {1} more to cast.

{1}{U}{U}, Sacrifice a blue creature: Create X 1/1 blue Camarid creature tokens, where X is the sacrificed creature's mana value.

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

If Leyline of Anticipation is in your opening hand, you may begin the game with it on the battlefield. You may cast spells as though they had flash.

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

Enchant red or green creature 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.) You control enchanted creature.

When Parallel Thoughts enters the battlefield, search your library for seven cards, exile them in a face-down pile, and shuffle that pile. Then shuffle your library. If you would draw a card, you may instead put the top card of the pile you exiled into your hand.

As Psychic Allergy enters the battlefield, choose a color. At the beginning of each opponent's upkeep, Psychic Allergy deals X damage to that player, where X is the number of nontoken permanents of the chosen color they control. At the beginning of your upkeep, destroy Psychic Allergy unless you sacrifice two Islands.

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

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

Cumulative upkeep {2} (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.) Pay 2 life or {2}: Counter target red or green spell. Any player may activate this ability.

Activated abilities of creatures you control cost {2} less to activate. This effect can't reduce the mana in that cost to less than one mana.

Prevent all damage that would be dealt to a creature by another creature if they share a 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.)

Choose one — • Counter target red spell. • Destroy target red permanent.

Choose one — • Destroy target red permanent. • Return target Mountain to its owner's hand.

Counter target red or green spell.

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

Counter target blue spell.

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.)

Return all green permanents to their owners' hands.

Until end of turn, whenever a player taps an Island for mana, that player adds an additional {U}.

Choose one — • Counter target spell if it's red. • Destroy target permanent if it's red.

Counter target spell if it shares a color with a creature you control.

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.)

Tap all blue creatures.

Choose one — • Change the text of target spell or permanent by replacing all instances of one basic land type with another. (This effect lasts indefinitely.) • Change the text of target spell or permanent by replacing all instances of one color word with another. (This effect lasts indefinitely.) Entwine {2} (Choose both if you pay the entwine cost.)

({T}: Add {U}.)

You have no maximum hand size. {T}: Add {C}.

{T}: Add {C}. {1}{U}, {T}: Return target Wizard you control to its owner's hand.

{T}: Add {C}. {4}, {T}: Target creature can't be blocked this turn.

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

{T}: Add {C}. {2}, {T}: You may put a basic land card from your hand onto the battlefield tapped.

{T}: Add {C}. If you control an Urza's Power-Plant and an Urza's Tower, add {C}{C} instead.

{T}: Add {C}. If you control an Urza's Mine and an Urza's Tower, add {C}{C} instead.

Return all nonblue creatures to their owners' hands.

Return two target creatures to their owners' hands. Wizardcycling {2} ({2}, Discard this card: Search your library for a Wizard card, reveal it, put it into your hand, then shuffle.)

Change the text of target permanent by replacing all instances of one color word with another or one basic land type with another until end of turn. Cipher (Then you may exile this spell card encoded on a creature you control. Whenever that creature deals combat damage to a player, its controller may cast a copy of the encoded card without paying its mana cost.)

As an additional cost to cast this spell, sacrifice a blue permanent. Counter target spell.

Target opponent reveals their hand. You draw a card for each Mountain and red card in it.

Return target permanent to its owner's hand if that permanent shares a color with the most common color among all permanents or a color tied for most common.

As Chameleon Spirit enters the battlefield, choose a color. Chameleon Spirit's power and toughness are each equal to the number of permanents of the chosen color your opponents control.

Return target permanent to its owner's hand. If that permanent is red or green, put it on top of its owner's library instead.

Exile X target creatures. For each creature exiled this way, its controller creates a 2/2 green Boar creature token.

Enchant permanent As long as enchanted permanent is red or green, it has "At the beginning of your upkeep, sacrifice this permanent unless you pay its mana cost."

Put target creature on top of its owner's library. If that creature is red, you may put it on the bottom of its owner's library instead.

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

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.)

Flying When Hunting Drake enters the battlefield, put target red or green creature on top of its owner's library.

Whenever a Forest an opponent controls becomes tapped, you gain 1 life.

Imprint — When Mourner's Shield enters the battlefield, you may exile target card from a graveyard. {2}, {T}: Prevent all damage that would be dealt this turn by a source of your choice that shares a color with the exiled card.

First strike, protection from red

Creatures can't attack you unless their controller pays {2} for each creature they control that's attacking you.

Flash Enchant creature When Ray of Frost enters the battlefield, if enchanted creature is red, tap it. As long as enchanted creature is red, it loses all abilities. Enchanted creature doesn't untap during its controller's untap step.

One or more target creatures become blue until end of turn.

As Shimmer enters the battlefield, choose a land type. Each land of the chosen type has phasing. (It phases in or out before its controller untaps during each of their untap steps. While it's phased out, it's treated as though it doesn't exist.)

Creatures you control have horsemanship. (They can't be blocked except by creatures with horsemanship.)

Your opponents play with their hands revealed.

When Tidebinder Mage enters the battlefield, tap target red or green creature an opponent controls. That creature doesn't untap during its controller's untap step for as long as you control Tidebinder Mage.

When Trophy Mage enters the battlefield, you may search your library for an artifact card with mana value 3, reveal it, put it into your hand, then shuffle.

Target opponent reveals their hand. You draw a card for each Forest and green card in it.