When Aether Adept enters the battlefield, return target creature to its owner's hand.

Put a flood counter on target land. That land is an Island in addition to its other types for as long as it has a flood counter on it. If you control a Merfolk, draw a card.

When Archaeomancer enters the battlefield, return target instant or sorcery card from your graveyard to your hand.

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

When Augur of Bolas enters the battlefield, look at the top three cards of your library. You may reveal an instant or sorcery card from among them and put it into your hand. Put the rest on the bottom of your library in any order.

Tap an untapped Wizard you control: Draw a card.

Counter target spell.

Buyback {3} (You may pay an additional {3} as you cast this spell. If you do, put this card into your hand as it resolves.)

Return target permanent to its owner's hand.

Target creature becomes blue until end of turn. Untap that creature.

Draw a card.

Target creature gets -4/-0 until end of turn. If you control a Wizard, draw a card.

Buyback {3} (You may pay an additional {3} as you cast this spell. If you do, put this card into your hand as it resolves.)

Choose a counter on target permanent or suspended card. Remove that counter from that permanent or card or put another of those counters on it.

Flying

When Cloud of Faeries enters the battlefield, untap up to two lands.

Cycling {2} ({2}, Discard this card: Draw a card.)

Cloudpost enters the battlefield tapped.

{T}: Add {C} for each Locus on the battlefield.

Counter target spell.

Choose two --

• Counter target spell.

• Return target permanent to its owner's hand.

• Tap all creatures your opponents control.

• Draw a card.

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.)

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.)

Choose one --

• Tap target permanent.

• Untap target permanent.

Entwine {1} (Choose both if you pay the entwine cost.)

Tap target artifact, creature, or land.

Draw a card at the beginning of the next turn's upkeep.

When Exclusion Mage enters the battlefield, return target creature an opponent controls to its owner's hand.

Target creature gets -1/-0 until end of turn.

Draw a card.

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.

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

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

Target land becomes the basic land type of your choice until end of turn.

Draw a card at the beginning of the next turn's upkeep.

Target creature gains flying until end of turn.

Draw a card.

{T}: Add {C}.

{T}: Target nonland permanent becomes an artifact in addition to its other types until end of turn.

Protection from red

Elemental creatures you control get +1/+1.

When Master of Waves enters the battlefield, 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 Merchant of Secrets enters the battlefield, draw a card.

Flash

When Merfolk Trickster enters the battlefield, tap target creature an opponent controls. It loses all abilities until end of turn.

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

The "legend rule" doesn't apply to permanents you control.

Each legendary creature you control gets +1/+1.

Each nontoken creature you control gets +1/+1 for each other creature you control with the same name as that creature.

As Mirror of the Forebears enters the battlefield, choose a creature type.

{1}: Until end of turn, Mirror of the Forebears becomes a copy of target creature you control of the chosen type, except it's an artifact in addition to its other types.

Flash (You may cast this spell any time you could cast an instant.)

When Mizzium Meddler enters the battlefield, you may change a target of target spell or ability to Mizzium Meddler.

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 its text by replacing all instances of "target" with "each.")

Defender

When Mnemonic Wall enters the battlefield, you may return target instant or sorcery card from your graveyard to your hand.

Target spell or permanent becomes colorless.

Whenever you cast an instant or sorcery spell, create a 1/1 blue Bird Illusion creature token with flying.

If a Wizard entering the battlefield under your control causes a triggered ability of a permanent you control to trigger, that ability triggers an additional time.

Flash

When Naru Meha, Master Wizard enters the battlefield, copy target instant or sorcery spell you control. You may choose new targets for the copy.

Other Wizards you control get +1/+1.

Changeling

Whenever you cast an instant or sorcery spell, if it targets one or more other permanents you control, create a token that's a copy of one of those permanents.

When a spell or ability an opponent controls causes you to discard this card, create a token that's a copy of target permanent.

Flying

When Peregrine Drake enters the battlefield, untap up to five lands.

{T}: Add {C}.

{1}, {T}: Add one mana of any color.

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

Exile target creature. Its controller manifests the top card of their library. (That player puts the top card of their library onto the battlefield face down as a 2/2 creature. If it's a creature card, it can be turned face up any time for its mana cost.)

Counter target spell. Untap up to four lands.

{T}: Add {C}.

{1}{U}, {T}: Return target Wizard you control to its owner's hand.

When Scholar of the Ages enters the battlefield, return up to two target instant and/or sorcery cards from your graveyard to your hand.

When Sea Gate Oracle enters the battlefield, look at the top two cards of your library. Put one of them into your hand and the other on the bottom of your library.

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

Draw a card.

Target land becomes the basic land type of your choice until end of turn.

Draw a card.

Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.)

When Shipwreck Dowser enters the battlefield, return target instant or sorcery card from your graveyard to your hand.

As an additional cost to cast this spell, reveal a Merfolk card from your hand or pay {3}.

When Silvergill Adept enters the battlefield, draw a card.

Flying

{U}, Sacrifice Siren Stormtamer: Counter target spell or ability that targets you or a creature you control.

Sky Diamond enters the battlefield tapped.

{T}: Add {U}.

Devoid (This card has no color.)

Target creature can't be blocked this turn.

Draw a card.

Return two target creatures to their owners' hands.

Wizardcycling {2} ({2}, Discard this card: Search your library for a Wizard card, reveal it, put it into your hand, then shuffle.)

Islandwalk (This creature can't be blocked as long as defending player controls an Island.)

Merfolk spells and Wizard spells you cast cost {1} less to cast.

Target creature gets -4/-0 until end of turn. If you control a Wizard, draw a card.

If an opponent controls a Forest and you control an Island, you may cast this spell without paying its mana cost.

Put target creature on top of its owner's library.

When Sunscorched Desert enters the battlefield, it deals 1 damage to target player or planeswalker.

{T}: Add {C}.

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.

Change the text of target permanent by replacing all instances of one color word with another or one basic land type with another until end of turn.

Cipher (Then you may exile this spell card encoded on a creature you control. Whenever that creature deals combat damage to a player, its controller may cast a copy of the encoded card without paying its mana cost.)

You may tap or untap target artifact, creature, or land.

Switch target creature's power and toughness until end of turn.

Draw a card.

You may tap or untap target artifact, creature, or land.

Draw a card.

Flash

When Venser, Shaper Savant enters the battlefield, return target spell or permanent to its owner's hand.

Whenever a creature an opponent controls becomes the target of a spell or ability you control, gain control of that creature for as long as you control Willbreaker.

This spell costs {1} less to cast if you control a Wizard.

Counter target spell.

Choose one --

• Distract the Guard -- Tap target creature.

• Hide -- Target creature you control gains hexproof until end of turn. (It can't be the target of spells or abilities your opponents control.)