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

{T}: Add {W} or {U}. {W}{U}: This artifact becomes a 2/2 white and blue Bird artifact creature with flying until end of turn.

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

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

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

This land enters tapped unless a player has 13 or less life. {T}: Add {W} or {U}.

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

This land enters tapped. {T}: Add {W} or {U}. {3}{W}{U}: Until end of turn, this land becomes a 4/4 white and blue Elemental creature with flying and vigilance. It's still a land.

This land enters tapped. {T}: Add {W}. {2}{W}{U}{U}, {T}, Sacrifice this land: You gain 2 life and draw two cards.

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

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

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

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

This land enters tapped. When this land enters, it deals 1 damage to target opponent. {T}: Add {W} or {U}.

{T}: Add {C}. {W}{U}, {T}, Exile a creature card from your graveyard: Create a 1/1 white Spirit creature token with flying.

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

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

This land enters tapped. {T}: Add {W} or {U}. {1}{W}{U}: Until end of turn, this land becomes a 2/3 white and blue Bird creature with flying. It's still a land. Whenever this land attacks, create a Map token.

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

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

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

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 {W} or {U}.