MTG

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

This land enters tapped. {T}: Add {U}. Transmute {1}{U}{U} ({1}{U}{U}, Discard this card: Search your library for a card with mana value 0, reveal ...

{T}: Add {U}. If you played a land this turn, add {B} instead.

{T}: Add {C}. {T}: Add {W}. Activate only if you control an Island. {T}: Add {U}. Activate only if you control a Plains.

{T}, Pay 1 life: Add {G} or {W}. {1}, {T}, Sacrifice this land: Draw a card.

{T}: Add {C}. {T}: Add {R} or {G}. Each opponent gains 1 life.

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

(This land isn't a spell, it's affected by summoning sickness, and it has "{T}: Add {G}.")

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {G}.)

({T}: Add {G}.)

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

({T}: Add {W} or {U}.)

({T}: Add {G} or {U}.)

({T}: Add {R} or {G}.)

({T}: Add {B}.)

({T}: Add {B}.)