Arcane Signet

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

Rakdos Signet

{T}: Add {C}.
{T}: Add {B} or {G}. This artifact deals 1 damage to you.

{T}: Add {C}.
{T}: Add {B} or {R}. This artifact deals 1 damage to you.

{T}: Add {C}.
{T}: Add {U} or {R}. This artifact deals 1 damage to you.

{T}: Add {C}.
{T}: Add {W} or {B}. This artifact deals 1 damage to you.

{T}: Add {C}.
{T}: Add {R} or {G}. This artifact deals 1 damage to you.

{T}: Add {C}.
{T}: Add {W} or {U}. This artifact deals 1 damage to you.

{T}: Add {C}.
{T}: Add {G} or {W}. This artifact deals 1 damage to you.

{T}: Add {C}.
{T}: Add {G} or {U}. This artifact deals 1 damage to you.

{T}: Add {C}.
{T}: Add {R} or {W}. This artifact deals 1 damage to you.

{T}: Add {C}.
{T}: Add {U} or {B}. This artifact deals 1 damage to you.