{T}: Add one mana of any color in your commander's color identity.
{2}
Azorius Signet
Artifact
{1}, {T}: Add {W}{U}.
{2}
Boros Signet
Artifact
{1}, {T}: Add {R}{W}.
--
Command Tower
Land
{T}: Add one mana of any color in your commander's color identity.
{2}
Dimir Signet
Artifact
{1}, {T}: Add {U}{B}.
--
Exotic Orchard
Land
{T}: Add one mana of any color that a land an opponent controls could produce.
{2}
Golgari Signet
Artifact
{1}, {T}: Add {B}{G}.
{2}
Gruul Signet
Artifact
{1}, {T}: Add {R}{G}.
{2}
Izzet Signet
Artifact
{1}, {T}: Add {U}{R}.
{2}
Liquimetal Torque
Artifact
{T}: Add {C}.
{T}: Target nonland permanent becomes an artifact in addition to its other types until end of turn.
{2}
Mind Stone
Artifact
{T}: Add {C}.
{1}, {T}, Sacrifice Mind Stone: Draw a card.
--
Myriad Landscape
Land
Myriad Landscape enters the battlefield tapped.
{T}: Add {C}.
{2}, {T}, Sacrifice Myriad Landscape: Search your library for up to two basic land cards that share a land type, put them onto the battlefield tapped, then shuffle.
{2}
Orzhov Signet
Artifact
{1}, {T}: Add {W}{B}.
{2}
Rakdos Signet
Artifact
{1}, {T}: Add {B}{R}.
--
Reliquary Tower
Land
You have no maximum hand size.
{T}: Add {C}.
--
Scavenger Grounds
Land - Desert
{T}: Add {C}.
{2}, {T}, Sacrifice a Desert: Exile all graveyards.
{2}
Selesnya Signet
Artifact
{1}, {T}: Add {G}{W}.
{2}
Simic Signet
Artifact
{1}, {T}: Add {G}{U}.
{1}
Sol Ring
Artifact
{T}: Add {C}{C}.
--
Temple of the False God
Land
{T}: Add {C}{C}. Activate only if you control five or more lands.