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

{T}: Add {U} or {B}. {U}{B}: This artifact becomes a 2/2 blue and black Horror artifact creature until end of turn and can't be blocked this turn.

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

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

{T}: Add {U} or {B}.

You may pay {1} and return a basic land you control to its owner's hand rather than pay this spell's mana cost. This artifact enters tapped. {T}: Add {U} or {B}.

{T}: Add {U} or {B}. {4}{U}{B}: This artifact becomes a 4/4 blue and black Dragon artifact creature with flying until end of turn.

As this land enters, you may reveal an Island or Swamp card from your hand. If you don't, this land enters tapped. {T}: Add {U} or {B}.

({T}: Add {U} or {B}.) This land enters tapped.

This land enters tapped. {T}: Add {U} or {B}. {1}{U}{B}: This land becomes a 3/2 blue and black Elemental creature until end of turn and can't be blocked this turn. It's still a land.

This land enters tapped unless you control two or fewer other lands. {T}: Add {U} or {B}.

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

This land enters tapped. When this land enters, return a land you control to its owner's hand. {T}: Add {U}{B}.

This land enters tapped. {T}: Add {U} or {B}.

This land enters tapped. When this land enters, you gain 1 life. {T}: Add {U} or {B}.

{T}: Add {C}. {1}, {T}: Put a storage counter on this land. {1}, Remove X storage counters from this land: Add X mana in any combination of {U} and/or {B}.

This land enters tapped unless you control an Island or a Swamp. {T}: Add {U} or {B}.

({T}: Add {U} or {B}.) This land enters tapped. Cycling {2} ({2}, Discard this card: Draw a card.)

This land enters tapped. When this land enters, you gain 1 life. {T}: Add {U} or {B}.

This land enters tapped. Indestructible {T}: Add {U} or {B}.

This land enters tapped unless you have two or more opponents. {T}: Add {U} or {B}.

This land enters tapped. {T}: Add {U} or {B}. {2}{U}{B}: Until end of turn, this land becomes a 4/4 blue and black Shark creature with deathtouch. It's still a land. Whenever this land attacks, target player mills four cards.

{T}: Add {C}. {T}: Add {U} or {B}. This land doesn't untap during your next untap step.

This land enters tapped. {T}: Add {U} or {B}.

This land enters tapped unless you control two or more other lands. {T}: Add {U} or {B}.

This land enters tapped. {T}: Add {U} or {B}.

({T}: Add {U} or {B}.) This land enters tapped unless you control two or more basic lands.

{T}: Add {C}. {U/B}, {T}: Add {U}{U}, {U}{B}, or {B}{B}.

{T}: Add {C}. {T}: Add {U} or {B}. Activate only if you control a Swamp.

This land enters tapped. When this land enters, scry 1. (Look at the top card of your library. You may put that card on the bottom.) {T}: Add {U} or {B}.

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

This land enters tapped. {T}: Add {U} or {B}. {2}{U}{B}, {T}, Sacrifice this land: Draw a card.

{T}: Add {C}. {T}: Add {U} or {B}. This land doesn't untap during your next untap step.