Fire Diamond

Fire Diamond enters tapped.
{T}: Add {R}.

Talisman of Indulgence

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

Path to Exile

Exile target creature. Its controller may search their library for a basic land card, put that card onto the battlefield tapped, then shuffle.

Rakdos Signet

Swords to Plowshares

Exile target creature. Its controller gains life equal to its power.

Letter of Acceptance

{T}: Add one mana of any color.
{2}, {T}, Sacrifice Letter of Acceptance: Draw a card.

Mountain

Arcane Signet

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

Ruinous Ultimatum

Destroy all nonland permanents your opponents control.

Charcoal Diamond

Charcoal Diamond enters tapped.
{T}: Add {B}.

Talisman of Hierarchy

{T}: Add {C}.
{T}: Add {W} or {B}. Talisman of Hierarchy deals 1 damage to you.

Isshin, Two Heavens as One

If a creature attacking causes a triggered ability of a permanent you control to trigger, that ability triggers an additional time.

Orzhov Signet

Swamp

Boros Signet

Marble Diamond

Marble Diamond enters tapped.
{T}: Add {W}.

Sol Ring

Despark

Exile target permanent with mana value 4 or greater.

Plains

Spectral Searchlight

{T}: Choose a player. That player adds one mana of any color they choose.

Anguished Unmaking

Exile target nonland permanent. You lose 3 life.

Commander's Sphere

{T}: Add one mana of any color in your commander's color identity.
Sacrifice Commander's Sphere: Draw a card.

Cursed Mirror

{T}: Add {R}.
As Cursed Mirror enters, you may have it become a copy of any creature on the battlefield until end of turn, except it has haste.

Talisman of Conviction

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

Sword of the Animist

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}