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

Sacrifice a creature: Add {C}{C}.

{1}, {T}: Add {W}{U}.

Black creature spells you cast cost {1} less to cast. Whenever you cast a creature spell, each opponent loses 1 life and you gain 1 life.

{1}, {T}: Add {R}{W}.

Lands you control have "{T}: Add one mana of any color." {T}: Add one mana of any color.

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

Indestructible (Effects that say "destroy" don't destroy this artifact.) {T}: Add one mana of any color.

{1}, {T}: Add {U}{B}.

Whenever a Dragon you control enters, put a gold counter on this artifact. {T}, Remove a gold counter from this artifact: Draw a card. {T}: Add one mana of any color.

Green spells you cast cost {1} less to cast.

{2}, {T}, Sacrifice this artifact: Search your library for a land card, reveal it, put it into your hand, then shuffle.

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

{1}, {T}: Add {B}{G}.

{1}, {T}: Add {U}{R}.

Black spells you cast cost {1} less to cast.

{T}: Add {R}, {W}, or {B}. {R}{W}{B}, {T}, Sacrifice this artifact: Draw a card.

{T}: Add {C}. {1}, {T}, Sacrifice this artifact: Draw a card.

{T}: Add one mana of any color among legendary creatures and planeswalkers you control.

{T}: Add {W} or {B}. {W}{B}, {T}, Sacrifice this artifact: Draw a card.

As this artifact enters, choose a creature type. Creatures you control of the chosen type get +1/+1. {T}: Add one mana of any color.

As this artifact enters, choose a color. Whenever you cast a spell of the chosen color, you gain 1 life.

{T}: Add {B} or {R}. {B/R}{B/R}{B/R}{B/R}, {T}, Sacrifice this artifact: Draw two cards.

{T}: Add {G} or {W}. {G}{W}, {T}, Sacrifice this artifact: Draw a card.

{T}: Add {G} or {W}. {G/W}{G/W}{G/W}{G/W}, {T}, Sacrifice this artifact: Draw two cards.

{1}, {T}: Add {G}{W}.

{T}: Add {C}{C}.

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

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

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

This spell costs {X} less to cast, where X is the greatest power among creatures you control. {T}: Add {G}{G}. You gain 2 life. Whenever a nontoken creature you control enters, put a +1/+1 counter on it and draw a card.