Mana Prism

{T}: Add {C}.
{1}, {T}: Add one mana of any color.

Thran Turbine

At the beginning of your upkeep, you may add {C}{C}. You can't spend this mana to cast spells.

Bubbling Muck

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

Eye of Ramos

{T}: Add {U}.
Sacrifice Eye of Ramos: Add {U}.

Talisman of Impulse

{T}: Add {C}.
{T}: Add {R} or {G}. Talisman of Impulse deals 1 damage to you.

Nantuko Elder

Tooth of Ramos

{T}: Add {W}.
Sacrifice Tooth of Ramos: Add {W}.

Drake-Skull Cameo

Orochi Sustainer

Seton, Krosan Protector

Tap an untapped Druid you control: Add {G}.

Bloodstone Cameo

Heart Warden

{T}: Add {G}.
{2}, Sacrifice Heart Warden: Draw a card.

Akki Rockspeaker

Soldevi Machinist

{T}: Add {C}{C}. Spend this mana only to activate abilities of artifacts.

Skyshroud Troopers

Troll-Horn Cameo

Harvester Druid

{T}: Add one mana of any color that a land you control could produce.

Sisters of the Flame

Sakura-Tribe Springcaller

At the beginning of your upkeep, add {G}. Until end of turn, you don't lose this mana as steps and phases end.

Vernal Bloom

Whenever a Forest is tapped for mana, its controller adds an additional {G}.

Heart of Ramos

{T}: Add {R}.
Sacrifice Heart of Ramos: Add {R}.

Sea Scryer

Sachi, Daughter of Seshiro

Other Snake creatures you control get +0/+1.
Shamans you control have "{T}: Add {G}{G}."

High Tide

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

Phyrexian Lens

{T}, Pay 1 life: Add one mana of any color.

Tigereye Cameo

Sunastian Falconer

Sol Grail

As Sol Grail enters, choose a color.
{T}: Add one mana of the chosen color.

Cabal Ritual

Add {B}{B}{B}.
Threshold — Add {B}{B}{B}{B}{B} instead if seven or more cards are in your graveyard.

Horn of Ramos

{T}: Add {G}.
Sacrifice Horn of Ramos: Add {G}.

Llanowar Dead

Skull of Ramos

{T}: Add {B}.
Sacrifice Skull of Ramos: Add {B}.

Wirewood Elf

Citanul Hierophants

Creatures you control have "{T}: Add {G}."

Viridian Joiner

{T}: Add an amount of {G} equal to Viridian Joiner's power.

Fyndhorn Elder

Inner Fire

Lotus Blossom

At the beginning of your upkeep, you may put a petal counter on Lotus Blossom.
{T}, Sacrifice Lotus Blossom: Add X mana of any one color, where X is the number of petal counters on Lotus Blossom.

Multani's Harmony

Enchant creature
Enchanted creature has "{T}: Add one mana of any color."

Skyshroud Elf

Seashell Cameo

Basal Thrull

Sasaya's Essence

Whenever a land you control is tapped for mana, add an additional one mana of any type that land produced for each other land you control with the same name as it.

Sasaya, Orochi Ascendant

Reveal your hand: If you have seven or more land cards in your hand, flip Sasaya, Orochi Ascendant.

Sasaya, Orochi Ascendant // Sasaya's Essence

Burnt Offering

As an additional cost to cast this spell, sacrifice a creature.
Add X mana in any combination of {B} and/or {R}, where X is the sacrificed creature's mana value.