This land enters tapped. When this land enters, add one mana of any color. {T}: Add {C}. ({C} represents colorless mana.)

This land enters tapped. When this land enters, look at the top three cards of your library, then put them back in any order. {T}: Add {U}.

({T}: Add {U}.)

({T}: Add {U}.) This land enters tapped unless you control three or more other Islands. When this land enters untapped, you may put target instant or sorcery card from your graveyard on top of your library.

{T}: Add {C}. {2}, {T}: Choose a color. Add an amount of mana of that color equal to your devotion to that color. (Your devotion to a color is the number of mana symbols of that color in the mana costs of permanents you control.)

{T}: Add {U}. Channel — {3}{U}, Discard this card: Return target artifact, creature, enchantment, or planeswalker to its owner's hand. This ability costs {1} less to activate for each legendary creature you control.

When this land enters, you gain 2 life. {T}: Add {C}.

You have no maximum hand size. {T}: Add {C}.

When this land enters, it deals 1 damage to target player or planeswalker. {T}: Add {C}.

{T}: Add {C}. {2}, {T}: You may put a basic land card from your hand onto the battlefield tapped.

This land enters tapped. {1}, {T}: Search your library for a basic land card, put that card onto the battlefield tapped, then shuffle. Return this land to its owner's hand at the beginning of the next cleanup step.

Whenever another permanent you control enters, each opponent mills a card.

Whenever a permanent you control enters tapped, untap it.

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

Imprint — When this artifact enters, you may exile target land you control. Whenever a land with the same name as the exiled card is tapped for mana, its controller adds one mana of any type that land produced.

As this artifact enters, choose a color. Creatures of the chosen color get +1/+1. Whenever a basic land is tapped for mana of the chosen color, its controller adds an additional one mana of that color.

Activated abilities of creatures cost {1} less to activate. This effect can't reduce the mana in that cost to less than one mana.

{T}, Sacrifice this artifact: Add three mana of any one color. Spend this mana only to cast your commander.

Equipped creature has haste and shroud. (It can't be the target of spells or abilities.) Equip {0}

{T}: Add {U}. {2}{U}: Put an hour counter on this artifact. At the beginning of each upkeep, put an hour counter on this artifact. When the twelfth hour counter is put on this artifact, shuffle your hand and graveyard into your library, then draw seven cards. Exile this artifact.

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

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

You have no maximum hand size. {T}: Add {C}.

Draw a card for each Island you control.

Look at the top three cards of your library, then put them back in any order. You may shuffle. Draw a card.

Scry 2, then draw a card. (To scry 2, look at the top two cards of your library, then put any number of them on the bottom and the rest on top in any order.)

Exile target artifact or creature. Its controller creates a 1/1 blue Bird creature token with flying. Foretell {U} (During your turn, you may pay {2} and exile this card from your hand face down. Cast it on a later turn for its foretell cost.)

Whenever you draw a card, put a +1/+1 counter on this creature. When this creature dies, create X 1/1 blue Squid creature tokens with islandwalk, where X is the number of +1/+1 counters on this creature. (They can't be blocked as long as defending player controls an Island.)

Flying {2}, Return a land you control to its owner's hand: Tap target land.

Flying Landfall — Whenever a land you control enters, tap target creature an opponent controls. If that land is an Island, that creature doesn't untap during its controller's next untap step.

Flying, indestructible Kefnet can't attack or block unless you have seven or more cards in hand. {3}{U}: Draw a card, then you may return a land you control to its owner's hand.

If you would draw a card while your library has no cards in it, you win the game instead.

Flying {1}, Return a land you control to its owner's hand: Create a 1/1 blue Illusion creature token with flying.

Flying {2}, Return a land you control to its owner's hand: Untap target land.

Flying Landfall — Whenever a land you control enters, you may gain control of target creature for as long as you control this creature.

Landfall — Whenever a land you control enters, each opponent mills three cards. (To mill a card, a player puts the top card of their library into their graveyard.)

Whenever this creature becomes tapped, choose one — • You may put a land card from your hand onto the battlefield tapped. • Return target land card from your graveyard to the battlefield tapped.

When this creature enters, you may search your library for a basic land card, put that card onto the battlefield tapped, then shuffle. When this creature dies, you may draw a card.

Flying {2}, Return a land you control to its owner's hand: Draw a card, then discard a card.

Flying {3}, Return three lands you control to their owner's hand: Return target creature to its owner's hand.

Flying {3}, Return a land you control to its owner's hand: Target creature you control gains shroud until end of turn. (It can't be the target of spells or abilities.)

Flying {3}, Return a land you control to its owner's hand: Counter target spell unless its controller pays {3}.

Flying {4}, Return two lands you control to their owner's hand: Discard all the cards in your hand, then draw that many cards.

When this creature enters, look at the top X cards of your library, where X is your devotion to blue. Put up to one of them on top of your library and the rest on the bottom of your library in a random order. If X is greater than or equal to the number of cards in your library, you win the game. (Each {U} in the mana costs of permanents you control counts toward your devotion to blue.)

Whenever a land you control enters tapped, choose one — • Untap that land. • Tap target nonland permanent an opponent controls.

When this creature enters, you may search your library for an artifact card with mana value 1 or less, reveal that card, put it into your hand, then shuffle.

Flying {2}, Return two lands you control to their owner's hand: Copy target instant or sorcery spell. You may choose new targets for the copy.

{U}{U}, Return two Islands you control to their owner's hand: Return target creature to its owner's hand.

Whenever a player casts a spell, that player returns a land they control to its owner's hand.

Landfall — Whenever a land you control enters, choose one — • You may tap or untap target creature. • Scry 1. (Look at the top card of your library. You may put that card on the bottom.)

{1}: Return target land you control to its owner's hand. {1}, Discard a land card: Draw a card.

Counter target noncreature spell. Its controller creates two Treasure tokens. (They're artifacts with "{T}, Sacrifice this token: Add one mana of any color.")

Target player draws X cards. Shuffle Blue Sun's Zenith into its owner's library.

Draw three cards, then put two cards from your hand on top of your library in any order.

Counter target spell.

Target creature gets -3/-0 until end of turn. Transmute {1}{U}{U} ({1}{U}{U}, Discard this card: Search your library for a card with the same mana value as this card, reveal it, put it into your hand, then shuffle. Transmute only as a sorcery.)

You may return two Islands you control to their owner's hand rather than pay this spell's mana cost. Tap all creatures.

You may discard an Island card and another card rather than pay this spell's mana cost. Counter target spell.

Draw two cards, then discard two cards. Untap up to three lands.

You may return two Islands you control to their owner's hand rather than pay this spell's mana cost. Draw two cards.

Until end of turn, whenever a player taps an Island for mana, that player adds an additional {U}.

Destroy target creature. It can't be regenerated. Its controller creates a 3/3 green Ape creature token.

Destroy target creature. It can't be regenerated. That creature's controller creates a 3/3 green Frog Lizard creature token.

Counter target spell. Untap up to four lands.

Counter target enchantment, instant, or sorcery spell. Its controller creates a 2/2 blue Bird creature token with flying.

You may return three Islands you control to their owner's hand rather than pay this spell's mana cost. Counter target spell.

Draw two cards. Then discard a card unless you return a land you control to its owner's hand.

Choose artifact, creature, or land. Tap all untapped permanents of the chosen type target player controls, or untap all tapped permanents of that type that player controls.

Counter target noncreature spell. Untap up to three lands.