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

Coldsteel Heart enters the battlefield tapped. As Coldsteel Heart enters the battlefield, choose a color. {T}: Add one mana of the chosen color.

{3}, {T} or {U}, {T}: Return target creature to its owner's hand unless its controller pays {1}.

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

{3}, {T}: Target player mills two cards. If two cards that share a color were milled this way, repeat this process.

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

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.

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

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

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.

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.)

Nyx Lotus enters the battlefield tapped. {T}: Choose a color. Add an amount of mana of that color equal to your devotion to that color. (Your devotion to a color is the number of mana symbols of that color in the mana costs of permanents you control.)

Equipped creature has first strike and gets +X/+0, where X is the number of instant and sorcery cards in your graveyard. Equip {2}

As Sanctuary Blade becomes attached to a creature, choose a color. Equipped creature gets +2/+0 and has protection from the last chosen color. Equip {3}

Blue spells you cast cost {1} less to cast.

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

Equipped creature gets +2/+2 and has protection from black and from green. Whenever equipped creature deals combat damage to a player, that player discards a card and you untap all lands you control. Equip {2}

Equipped creature gets +1/+1. Whenever equipped creature attacks, you may search your library for a basic land card, put it onto the battlefield tapped, then shuffle. Equip {2}

Flying, protection from red

Tap an untapped Wizard you control: Draw 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, protection from green

Imprint — {1}: Exile target creature card from your graveyard. As long as a card exiled with Death-Mask Duplicant has flying, Death-Mask Duplicant has flying. The same is true for fear, first strike, double strike, haste, landwalk, protection, and trample.

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

{0}: Until end of turn, Jodah's Avenger gets -1/-1 and gains your choice of double strike, protection from red, vigilance, or shadow. (A creature with shadow can block or be blocked by only creatures with shadow.)

When Kaho, Minamo Historian enters the battlefield, search your library for up to three instant cards, exile them, then shuffle. {X}, {T}: You may cast a spell with mana value X from among cards exiled with Kaho without paying its mana cost.

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

{1}{U}{U}: Target permanent becomes an artifact in addition to its other types. (This effect lasts indefinitely.) {3}{U}: Gain control of target artifact. (This effect lasts indefinitely.)

{U}: Target creature becomes an artifact in addition to its other types until end of turn. {U}: Until end of turn, target artifact creature becomes blue and isn't an artifact.

Artifacts you control have hexproof. At the beginning of your upkeep, if you control the artifact with the highest mana value or tied for the highest mana value, draw a card.

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

{3}: Target blue creature gains shroud until end of turn. (It can't be the target of spells or abilities.)

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

Flying, protection from green

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

Flying, protection from red

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.

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."

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

Enchant creature Enchanted creature has base power and toughness 8/8 and has "Whenever this creature attacks, you may tap target creature with power 8 or less." Totem armor (If enchanted creature would be destroyed, instead remove all damage from it and destroy this Aura.)

Enchant creature {U}: Untap enchanted creature. {U}: Enchanted creature gains flying until end of turn. {U}: Enchanted creature gains shroud until end of turn. (It can't be the target of spells or abilities.) {1}: Enchanted creature gets +1/-1 or -1/+1 until end of turn.

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.

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

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

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 instant or sorcery spell. 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.)

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

Castle Vantress enters the battlefield tapped unless you control an Island. {T}: Add {U}. {2}{U}{U}, {T}: Scry 2.

({T}: Add {U}.)

Search your library for an artifact card, reveal it, put it into your hand, then shuffle.

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.)

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.)