When this creature enters, return target instant or sorcery card from your graveyard to your hand.

Avoidance — Whenever you cast a noncreature spell, exile up to one target nonland permanent you control, then return that card to the battlefield under its owner's control.

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

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

Search your library for an instant or sorcery card, reveal it, then shuffle and put that card on top.

({U/P} can be paid with either {U} or 2 life.) You may have this creature enter as a copy of any artifact or creature on the battlefield, except it's an artifact in addition to its other types.

You may have Sakashima enter as a copy of another creature you control, except it has Sakashima's other abilities. The "legend rule" doesn't apply to permanents you control. Partner (You can have two commanders if both have partner.)

You may have this creature enter as a copy of a creature or planeswalker you control, except it enters with an additional +1/+1 counter on it if it's a creature, it enters with an additional loyalty counter on it if it's a planeswalker, and it isn't legendary.

Magecraft — Whenever you cast or copy an instant or sorcery spell, draw a card.

{T}: Draw a card. Activate only if you created a token this turn. {8}, {T}, Sacrifice this artifact: Create a 10/10 colorless Eldrazi creature token.

{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.

Flying When this creature enters, draw two cards. Evoke {2}{U} (You may cast this spell for its evoke cost. If you do, it's sacrificed when it enters.)

Each opponent can't draw more than one card each turn. −2: Look at the top four cards of your library. You may reveal a noncreature, nonland card from among them and put it into your hand. Put the rest on the bottom of your library in a random order.

Whenever an opponent casts a spell, you may draw a card unless that player pays {1}.

Flying Whenever this creature becomes the target of a spell you control, draw a card.

Whenever you cast your first spell during each opponent's turn, draw a card.

When this creature enters, gain control of target permanent. At the beginning of your end step, if you control three or more permanents you don't own, draw three cards.

Flash Flying When this creature enters, counter target spell. Put X +1/+1 counters on this creature, where X is that spell's mana value.

Flash This spell can't be countered. Whenever you cast a spell, choose up to one — • Return target spell you don't control to its owner's hand. • Return target nonland permanent to its owner's hand.

Protection from red Elemental creatures you control get +1/+1. When this creature enters, create a number of 1/0 blue Elemental creature tokens equal to your devotion to blue. (Each {U} in the mana costs of permanents you control counts toward your devotion to blue.)

When this creature enters, return each creature your opponents control with toughness X or less to its owner's hand, where X is the number of Islands you control.

Whenever you cast a noncreature spell, create an X/X blue Shark creature token with flying, where X is that spell's mana value. Cycling {X}{1}{U} ({X}{1}{U}, Discard this card: Draw a card.) When you cycle this card, create an X/X blue Shark creature token with flying.

Flash When this creature enters, you may cast target instant card from your graveyard without paying its mana cost. If that spell would be put into your graveyard, exile it instead.

{T}: Add {C}{C}. This land deals 2 damage to you.

This land enters tapped unless you control an Island. {T}: Add {U}. {2}{U}{U}, {T}: Scry 2.

This land enters tapped. {T}: Add {C} for each Locus on the battlefield.

{T}, Pay 1 life, Sacrifice this land: Search your library for a Plains or Island card, put it onto the battlefield, then shuffle.

If this card is in your opening hand and you're not the starting player, you may begin the game with Gemstone Caverns on the battlefield with a luck counter on it. If you do, exile a card from your hand. {T}: Add {C}. If Gemstone Caverns has a luck counter on it, instead add one mana of any color.

({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.

This land enters tapped. {T}: Add one mana of any color in your commander's color identity. When that mana is spent to cast a creature spell that shares a creature type with your commander, scry 1. (Look at the top card of your library. You may put that card on the bottom.)

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

{T}: Add {C}. {T}, Sacrifice this land: Destroy target land.

{T}: Add {C}. {2}, {T}: Target legendary creature becomes a God in addition to its other types. Put a +1/+1 counter on it. {4}, {T}, Sacrifice this land: Put an indestructible counter on target God.

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

{T}: Add three mana of any one color.

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

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

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

Return target nonland permanent you don't control to its owner's hand. Overload {6}{U} (You may cast this spell for its overload cost. If you do, change "target" in its text to "each.")

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

Return target nonland permanent to its owner's hand. Then that permanent's controller may sacrifice a land of their choice. If the player does, they may copy this spell and may choose a new target for that copy.

If you control a commander, you may cast this spell without paying its mana cost. Counter target noncreature spell.

You may pay 1 life and exile a blue card from your hand rather than pay this spell's mana cost. Counter target spell.

Counter target spell. At the beginning of your next main phase, add an amount of {C} equal to that spell's mana value.

As an additional cost to cast this spell, you may exile any number of blue cards from your hand. This spell costs {2} less to cast for each card exiled this way. Up to X target creatures phase out. (While they're phased out, they're treated as though they don't exist. Each one phases in before its controller untaps during their next untap step.)

Buyback {2}{U} (You may pay an additional {2}{U} as you cast this spell. If you do, put this card into your hand as it resolves.) Tap target artifact, creature, or land.

If an opponent cast three or more spells this turn, you may pay {0} rather than pay this spell's mana cost. Exile any number of target spells.

Copy target instant or sorcery spell, then return it to its owner's hand. You may choose new targets for the copy.

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

Choose one or more — • Counter target spell. • Counter target activated or triggered ability. • Return target nonland permanent to its owner's hand. • Create a token that's a copy of target creature you control. • Target player draws a card.

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

Spree (Choose one or more additional costs.) + {1}{U} — Counter target spell. + {3} — Create a token that's a copy of target artifact or creature you control. + {2} — Draw two cards, then discard a card.

Target creature becomes blue until end of turn. Untap that creature. Draw a card.

Target creature gains flying until end of turn. Flashback {U} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Target creature you control gets +0/+3 and gains hexproof until end of turn. (It can't be the target of spells or abilities your opponents control.)

Choose one — • Tap target permanent. • Untap target permanent. Entwine {1} (Choose both if you pay the entwine cost.)

Exile target creature you control, then return that card to the battlefield under its owner's control. If it's a Spirit, put a +1/+1 counter on it.

Exile two target artifacts, creatures, and/or lands you control, then return those cards to the battlefield under your control.

Replicate {U} (When you cast this spell, copy it for each time you paid its replicate cost. You may choose new targets for the copies.) Tap target permanent.

Change the text of target spell or permanent by replacing all instances of one color word with another. Retrace (You may cast this card from your graveyard by discarding a land card in addition to paying its other costs.)

Target creature gains flying until end of turn. Draw a card.

Target creature you control gets +0/+1 and gains hexproof until end of turn. Overload {1}{U} (You may cast this spell for its overload cost. If you do, change "target" in its text to "each.")

Flying When this creature enters, untap up to five lands.

Create a token that's a copy of target creature you control. Jump-start (You may cast this card from your graveyard by discarding a card in addition to paying its other costs. Then exile this card.)

Target creature gains shadow until end of turn. (It can block or be blocked by only creatures with shadow.) Draw a card.

Choose one — • Target nonsnow permanent becomes snow until end of turn. • Target snow permanent isn't snow until end of turn. Draw a card at the beginning of the next turn's upkeep.