Return all attacking creatures to their owner's hand.

For each attacking creature, its owner puts it on the top or bottom of their library.

Look at the top three cards of your library. Put one of them into your hand and the rest on the bottom of your library in any order.

Flying

Whenever a source deals damage to Belltower Sphinx, that source's controller mills that many cards.

Enchant creature an opponent controls

Whenever enchanted creature becomes tapped, you draw a card.

{U}: Blockade Runner can't be blocked this turn.

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

Whenever you cast a spell during an opponent's turn, put a +1/+1 counter on Brineborn Cutthroat.

Callaphe's power is equal to your devotion to blue. (Each {U} in the mana costs of permanents you control counts toward your devotion to blue.)

Creatures and enchantments you control have "Spells your opponents cast that target this permanent cost {1} more to cast."

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

Enchant creature

When Capture Sphere enters the battlefield, tap enchanted creature.

Enchanted creature doesn't untap during its controller's untap step.

Enchant Equipment

When Carry Away enters the battlefield, unattach enchanted Equipment.

You control enchanted Equipment.

Draw two cards, then discard a card.

Enchant land

Whenever enchanted land becomes tapped, its controller mills three cards.

Whenever an opponent shuffles their library, you may put a +1/+1 counter on Cosi's Trickster.

Whenever Crosstown Courier deals combat damage to a player, that player mills that many cards.

Enchant creature

Enchanted creature has flying.

Sacrifice Crown of Ascension: Enchanted creature and other creatures that share a creature type with it gain flying until end of turn.

Enchant player

At the beginning of enchanted player's upkeep, that player mills two cards.

Target player mills four cards.

Splice onto Arcane {1}{U} (As you cast an Arcane spell, you may reveal this card from your hand and pay its splice cost. If you do, add this card's effects to that spell.)

{U}: Return Darting Merfolk to its owner's hand.

Whenever you cast a Merfolk spell, create a 1/1 blue Merfolk creature token with hexproof. (A creature with hexproof can't be the target of spells or abilities your opponents control.)

Flash

Flying

When Dewdrop Spy enters the battlefield, look at the top card of target player's library.

Look at the top five cards of your library. Exile one of them face down and put the rest on the bottom of your library in a random order. You may cast the exiled card without paying its mana cost if it's an instant spell with mana value 2 or less. If you don't, put that card into your hand.

{T}: Counter target spell unless its controller pays {1}.

Morph {U} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.)

Choose a creature type. Draw a card for each permanent you control of that type.

Draw three cards, then put two cards from your hand both on top of your library or both on the bottom of your library.

Enchant land

At the beginning of the upkeep of enchanted land's controller, destroy that land unless that player pays {1} or 1 life.

{1}{U}, {T}: Draw a card, then discard a card.

Flash

Flying

Whenever you draw your second card each turn, put a +1/+1 counter on Faerie Vandal.

Target player skips their next draw step.

Draw a card for each Island you control.

Counter target nonblue spell.

Enchant creature

Enchanted creature loses all abilities and is a blue Frog creature with base power and toughness 1/1. (It loses all other card types and creature types.)

Enchant creature

Prevent all combat damage that would be dealt to and dealt by enchanted creature.

Tap target creature. Its controller mills two cards. That creature doesn't untap during its controller's next untap step. (They put the top two cards of their library into their graveyard.)

Draw a card.

As Heraldic Banner enters the battlefield, choose a color.

Creatures you control of the chosen color get +1/+0.

{T}: Add one mana of the chosen color.

Enchant creature

Enchanted creature can't attack or block, and its activated abilities can't be activated.

When enchanted creature becomes the target of a spell or ability, destroy Ice Cage.

Flying

When Indentured Djinn enters the battlefield, each other player may draw up to three cards.

Enchant artifact

Enchanted artifact doesn't untap during its controller's untap step.

Suspend 3--{1}{U}{U} (Rather than cast this card from your hand, pay {1}{U}{U} and exile it with three time counters on it. At the beginning of your upkeep, remove a time counter. When the last is removed, cast it without paying its mana cost.)

Search target opponent's library for a creature card and put that card onto the battlefield under your control. Then that player shuffles.

Target creature can't be blocked this turn.

{T}: Look at the top X cards of your library, where X is the number of Wizards on the battlefield, then put them back in any order.

Kinship -- At the beginning of your upkeep, you may look at the top card of your library. If it shares a creature type with Ink Dissolver, you may reveal it. If you do, each opponent mills three cards.

Flash

Flying

Whenever you cast a Wizard spell, you may untap Inspired Sprite.

{T}: Draw a card, then discard a card.

Draw a card for each attacking creature.

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

Whenever you cast a creature spell, target creature an opponent controls doesn't untap during its controller's next untap step.

{T}: Untap another target permanent you control.

{T}: Tap target permanent. Activate only if you control eight or more lands.

Morph {4}{U}{U} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.)

When Kheru Spellsnatcher is turned face up, counter target spell. If that spell is countered this way, exile it instead of putting it into its owner's graveyard. You may cast that card without paying its mana cost for as long as it remains exiled.

Spells your opponents cast that target a Merfolk you control cost {2} more to cast.

Abilities your opponents activate that target a Merfolk you control cost {2} more to activate.

Whenever Library Larcenist attacks, draw a card.

Target creature gains shroud until end of turn. (It can't be the target of spells or abilities.)

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

{U}: Manta Riders gains flying until end of turn.

Equipped creature gets +1/+2.

Whenever you draw your second card each turn, attach Mantle of Tides to target creature you control.

Equip {3} ({3}: Attach to target creature you control. Equip only as a sorcery.)

Other Merfolk creatures you control get +1/+1 and have islandwalk. (They can't be blocked as long as defending player controls an Island.)

Counter target spell. If that spell is countered this way, put it on top of its owner's library instead of into that player's graveyard.

Other Merfolk creatures you control get +1/+1.

{T}: Target Merfolk creature can't be blocked this turn.

At the beginning of your end step, untap all Merfolk you control.

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

When Merrow Harbinger enters the battlefield, you may search your library for a Merfolk card, reveal it, then shuffle and put that card on top.

When Merrow Witsniper enters the battlefield, target player mills a card.

Enchant creature

Merseine enters the battlefield with three net counters on it.

Enchanted creature doesn't untap during its controller's untap step if Merseine has a net counter on it.

Pay enchanted creature's mana cost: Remove a net counter from Merseine. Only the controller of the enchanted creature may activate this ability.

You may have Mirrorhall Mimic enter the battlefield as a copy of any creature on the battlefield, except it's a Spirit in addition to its other types.

Disturb {3}{U}{U} (You may cast this card from your graveyard transformed for its disturb cost.)

Enchant creature

At the beginning of your upkeep, create a token that's a copy of enchanted creature, except it's a Spirit in addition to its other types.

If Ghastly Mimicry would be put into a graveyard from anywhere, exile it instead.

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.")

Each player shuffles their graveyard into their library.

When Moonlit Scavengers enters the battlefield, if you control an artifact or enchantment, return target creature an opponent controls to its owner's hand.

At the beginning of your upkeep, scry 1.

Whenever you discard a card, each opponent mills two cards. (They put the top two cards of their library into their graveyard.)

As long as it's not your turn, spells you cast cost {1} less to cast.

Raid -- At the beginning of your end step, if you attacked this turn, target opponent mills four cards.

Counter target noncreature spell.

Flying

Whenever you draw a card, put a +1/+1 counter on Oneirophage.

Counter target spell unless its controller pays {1} for each card in your hand.

Scry 1.

Draw a card.

Flying

If you would draw a card while your library has no cards in it, instead put five +1/+1 counters on Ormos, Archive Keeper.

{1}{U}{U}, Discard three cards with different names: Draw five cards.

Enchant creature

{U}: Untap enchanted creature.

{U}: Enchanted creature gains flying until end of turn.

{U}: Enchanted creature gains shroud until end of turn. (It can't be the target of spells or abilities.)

{1}: Enchanted creature gets +1/-1 or -1/+1 until end of turn.

Enchant land

As Phantasmal Terrain enters the battlefield, choose a basic land type.

Enchanted land is the chosen type.

Whenever Port Inspector becomes blocked, you may look at defending player's hand.

Enchant creature

At the beginning of your upkeep, you may put a page counter on Private Research.

When enchanted creature dies, draw a card for each page counter on Private Research.

{T}: Prodigal Sorcerer deals 1 damage to any target.

{U}, {T}: You may tap or untap target creature.

Untap target creature an opponent controls and gain control of it until end of turn. That creature gains haste until end of turn. When you lose control of the creature, tap it.

Whenever Reef Pirates deals damage to an opponent, that player mills a card.

{T}: Target land becomes the basic land type of your choice until end of turn.

As Reflections of Littjara enters the battlefield, choose a creature type.

Whenever you cast a spell of the chosen type, copy that spell. (A copy of a permanent spell becomes a token.)

Return target permanent to its owner's hand.

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

Exile target artifact or creature. Its controller creates a 4/4 blue and red Elemental creature token.

{2}{U}{U}, Sacrifice Riptide Shapeshifter: Choose a creature type. Reveal cards from the top of your library until you reveal a creature card of that type. Put that card onto the battlefield and shuffle the rest into your library.

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

{1}, {T}: Tap target land.

Whenever another blue creature enters the battlefield under your control, target player mills two cards.

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

Whenever Scroll Thief deals combat damage to a player, draw a card.

{T}: Add {C}.

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

Whenever a Merfolk you control deals combat damage to a player, draw a card.

Sacrifice Seal of Removal: Return target creature to its owner's hand.

Until end of turn, target creature becomes a blue Serpent with base power and toughness 5/5.

Flash

Enchant creature

Enchanted creature gets -2/-0. It gets -6/-0 instead as long as its controller has seven or more cards in their graveyard.

Search your library for an instant or sorcery card, reveal it, put it into your hand, then shuffle.

Counter target spell unless its controller pays {1} for each blue permanent you control.

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.

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

All lands are Islands in addition to their other types.

Creatures without flying or islandwalk can't attack.

At the beginning of your upkeep, sacrifice Sunken City unless you pay {U}{U}.

Blue creatures get +1/+1.

Svyelun of Sea and Sky has indestructible as long as you control at least two other Merfolk.

Whenever Svyelun attacks, draw a card.

Other Merfolk you control have ward {1}. (Whenever another Merfolk you control becomes the target of a spell or ability an opponent controls, counter it unless that player pays {1}.)

Exchange control of two target creatures.

Syr Elenora, the Discerning's power is equal to the number of cards in your hand.

When Syr Elenora enters the battlefield, draw a card.

Spells your opponents cast that target Syr Elenora cost {2} more to cast.

+1: 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.

-1: Untap up to four target permanents.

-10: You get an emblem with "You may activate loyalty abilities of planeswalkers you control on any player's turn any time you could cast an instant."

Teferi, Temporal Archmage can be your commander.

When Tempest Caller enters the battlefield, tap all creatures target opponent controls.

Shadow (This creature can block or be blocked by only creatures with shadow.)

{U}: Put Thalakos Mistfolk on top of its owner's library.

(As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.)

I -- Return target instant card from your graveyard to your hand.

II -- Return target sorcery card from your graveyard to your hand.

III -- Until end of turn, whenever you cast an instant or sorcery spell, copy it. You may choose new targets for the copy.

Draw a card for each tapped creature target opponent controls.

Whenever Thieving Otter deals damage to an opponent, draw a card.

Draw three cards. Then discard two cards unless you discard a basic land card.

You may return an Island you control to its owner's hand rather than pay this spell's mana cost.

You may tap or untap target creature.

{T}: Target creature becomes the color of your choice until end of turn.

Whenever Towering-Wave Mystic deals damage, target player mills that many cards.

Choose one --

• Target creature gains flying until end of turn.

• Target creature becomes the creature type of your choice until end of turn.

• Look at the top four cards of your library, then put them back in any order.

Counter target spell that targets a permanent you control.

Whenever you cast an instant, sorcery, or Wizard spell, Umara Wizard gains flying until end of turn.

Umara Skyfalls enters the battlefield tapped.

{T}: Add {U}.

Draw three cards.

Adamant -- If at least three blue mana was spent to cast this spell, scry 3.

{U}, {T}: Target player mills two cards.

Whenever a permanent you control becomes untapped, Wake Thrasher gets +1/+1 until end of turn.

Flying

Players play with their hands revealed.

Cleave {1}{U}{U} (You may cast this spell for its cleave cost. If you do, remove the words in square brackets.)

Counter target spell [that wasn't cast from its owner's hand].

Flash

Flying

(Gain the next level as a sorcery to add its ability.)

You have no maximum hand size.

{2}{U}: Level 2

When this Class becomes level 2, draw two cards.

{4}{U}: Level 3

Whenever you draw a card, put a +1/+1 counter on target creature you control.

Flying

As long as Wonder is in your graveyard and you control an Island, creatures you control have flying.

Equipped creature has flying.

Whenever equipped creature deals combat damage to a player, draw a card, then discard a card.

Equip {2} ({2}: Attach to target creature you control. Equip only as a sorcery.)