Talisman of Conviction

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

Arcane Signet

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

Talisman of Hierarchy

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

Command Tower

Squall, Gunblade Duelist

First strike
As Squall enters, choose a number.
Whenever one or more creatures attack one of your opponents, if any of those creatures have power or toughness equal to the chosen number, Squall deals damage equal to its power to defending player.

Exotic Orchard

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

Boros Signet

Orzhov Signet

Plains

Rakdos Signet

Mountain

Sol Ring

Thought Vessel

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

Swamp

Talisman of Indulgence

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