(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.

{2}{U}: Level 3

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

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.

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

Ward {2} (Whenever this creature becomes the target of a spell or ability an opponent controls, counter it unless that player pays {2}.)

Equipped creature gets +2/+1 and has ward {2}.

Reconfigure {4} ({4}: Attach to target creature you control; or unattach from a creature. Reconfigure only as a sorcery. While attached, this isn't a creature.)

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

{1}{U}, {T}: Creatures your opponents control attack this turn if able.

Draw a card for each tapped creature target opponent controls.

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.

{1}{U}, {T}: Target creature gains flying until end of turn.

Enchant creature you control

When Cartouche of Knowledge enters the battlefield, draw a card.

Enchanted creature gets +1/+1 and has flying.

Flying

When Cloudkin Seer enters the battlefield, draw a card.

Whenever a creature you control deals combat damage to an opponent, you may draw a card.

When Confounding Conundrum enters the battlefield, draw a card.

Whenever a land enters the battlefield under an opponent's control, if that player had another land enter the battlefield under their control this turn, they return a land they control to its owner's hand.

Surveil 1. (Look at the top card of your library. You may put it into your graveyard.)

Draw a card.

Each player chooses a nonland permanent they control. Return all nonland permanents not chosen this way to their owners' hands. Then you draw a card for each opponent who has more cards in their hand than you.

Proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

Draw a card.

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

Counter target spell.

Flash

Enchant creature you control

When Cradle of Safety enters the battlefield, enchanted creature gains hexproof until end of turn. (It can't be the target of spells or abilities your opponents control.)

Enchanted creature gets +1/+1.

This spell has flash as long as you control a Merfolk.

Return target creature to its owner's hand.

Draw a card.

Blue creatures you control can't be blocked.

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.)

Return target nonland permanent to its owner's hand.

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.)

Return all nonland permanents to their owners' hands.

Miracle {1}{U} (You may cast this card for its miracle cost when you draw it if it's the first card you drew this turn.)

Flash

At the beginning of each player's draw step, that player draws an additional card.

Counter target spell with mana value 4 or greater.

Counter target spell. If that spell is countered this way, exile it instead of putting it into its owner's graveyard.

Flash

Drag Below -- When Dragon Turtle enters the battlefield, tap it and up to one target creature an opponent controls. They don't untap during their controllers' next untap steps.

Flying

At the beginning of combat on your turn, choose up to one --

• Tap target creature.

• Target creature doesn't untap during its controller's next untap step.

This spell costs {1} less to cast for each artifact you control.

When Emry, Lurker of the Loch enters the battlefield, mill four cards.

{T}: Choose target artifact card in your graveyard. You may cast that card this turn. (You still pay its costs. Timing rules still apply.)

Counter target creature spell. Put a +1/+1 counter on up to one target creature you control.

Counter target creature spell.

Return target creature to its owner's hand. If its mana value was 3 or less, scry 1. (Look at the top card of your library. You may put that card on the bottom of your library.)

Flying

When Faerie Miscreant enters the battlefield, if you control another creature named Faerie Miscreant, draw a card.

Flash

Flying

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

Whenever Fallowsage becomes tapped, you may draw a card.

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.)

Tap up to two target creatures. Those creatures don't untap during their controller's next untap step.

When Frost Lynx enters the battlefield, tap target creature an opponent controls. That creature doesn't untap during its controller's next untap step.

Return target nonland permanent to its owner's hand. If you controlled that permanent, draw a card.

Flying

{1}{U}: Untap Glimmerbell.

Whenever a creature you control becomes blocked, you may return it to its owner's hand.

Whenever one or more creatures you control deal combat damage to a player, draw a card.

As Herald's Horn enters the battlefield, choose a creature type.

Creature spells you cast of the chosen type cost {1} less to cast.

At the beginning of your upkeep, look at the top card of your library. If it's a creature card of the chosen type, you may reveal it and put it into your hand.

Flash

Flying

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

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

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

I -- Return up to one target creature or planeswalker to its owner's hand.

II -- Return an artifact card from your graveyard to your hand. If you can't, draw a card.

III -- Exile this Saga, then return it to the battlefield transformed under your control.

Flying

Whenever you cast a spell, your opponents can't cast spells with the same mana value as that spell until your next turn.

Flying

Iymrith, Desert Doom has ward {4} as long as it's untapped.

Whenever Iymrith deals combat damage to a player, draw a card. Then if you have fewer than three cards in hand, draw cards equal to the difference.

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

+1: Draw a card.

-7: Creatures you control can't be blocked this turn.

{T}: Add {U}. Spend this mana only to foretell a card from your hand or cast an instant or sorcery spell.

Counter target spell that targets a permanent you control.

Draw a card.

As Kindred Discovery enters the battlefield, choose a creature type.

Whenever a creature you control of the chosen type enters the battlefield or attacks, draw a card.

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.

Enchant creature

When Locked in the Cemetery enters the battlefield, if there are five or more cards in your graveyard, tap enchanted creature.

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

Lonely Sandbar enters the battlefield tapped.

{T}: Add {U}.

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

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

Whenever a spell or ability you control counters a spell, you may create a 1/1 blue Merfolk creature token.

Tap seven untapped Merfolk you control: Counter target spell.

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

Until end of turn, target nonland permanent loses all abilities and becomes your choice of a blue Frog creature with base power and toughness 1/1 or a blue Octopus creature with base power and toughness 4/4.

Flying

Whenever Merfolk Skyscout attacks or blocks, untap target permanent.

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.

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

Whenever you cast a Merfolk spell, you may tap or untap target permanent.

Counter target instant or sorcery spell unless its controller pays {3}.

Whenever Mischievous Catgeist deals combat damage to a player, draw a card.

Disturb {2}{U} (You may cast this card from your graveyard transformed for its disturb cost.)

Enchant creature

Enchanted creature has "Whenever this creature deals combat damage to a player, draw a card."

If Catlike Curiosity would be put into a graveyard from anywhere, exile it instead.

Flying

Whenever Moonfolk Puzzlemaker becomes tapped, scry 1.

Until end of turn, target creature becomes a Dragon with base power and toughness 4/4 and gains flying. (It loses all other creature types.)

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

Counter target noncreature spell.

Flying

When Network Disruptor enters the battlefield, tap target permanent.

Whenever you draw a card, put a foreshadow counter on Ominous Seas.

Remove eight foreshadow counters from Ominous Seas: Create an 8/8 blue Kraken creature token.

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

Scry 1.

Draw a card.

Artifacts you control have hexproof.

At the beginning of your upkeep, if you control the artifact with the highest mana value or tied for the highest mana value, draw a card.

Exile target artifact or creature, then return it to the battlefield under its owner's control with a +1/+1 counter on it.

You have no maximum hand size.

{T}: Add {C}.

Remote Isle enters the battlefield tapped.

{T}: Add {U}.

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

Enchant permanent

When Rune of Flight enters the battlefield, draw a card.

As long as enchanted permanent is a creature, it has flying.

As long as enchanted permanent is an Equipment, it has "Equipped creature has flying."

Whenever Sage of the Falls or another non-Human creature enters the battlefield under your control, you may draw a card. If you do, discard a card.

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

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

Kicker {4}{U}

When Sea Gate Stormcaller enters the battlefield, copy the next instant or sorcery spell with mana value 2 or less you cast this turn when you cast it. If Sea Gate Stormcaller was kicked, copy that spell twice instead. You may choose new targets for the copies.

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

Look at the top three cards of your library. Put one of those cards into your hand and the rest on the bottom of your library in any order. If this spell was cast from anywhere other than your hand, put each of those cards into your hand instead.

Flash

When Sentinel of the Pearl Trident enters the battlefield, you may exile target historic permanent you control. If you do, return that card to the battlefield under its owner's control at the beginning of the next end step. (Artifacts, legendaries, and Sagas are historic.)

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

Equipped creature gets +1/+1 and has trample and lifelink.

{1}: Permanents your opponents control lose hexproof and indestructible until end of turn.

Equip {2}

Shaper Apprentice has flying as long as you control another Merfolk.

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.

Sky Diamond enters the battlefield tapped.

{T}: Add {U}.

Kicker {1}{U} (You may pay an additional {1}{U} as you cast this spell.)

When Slinn Voda, the Rising Deep enters the battlefield, if it was kicked, return all creatures to their owners' hands except for Merfolk, Krakens, Leviathans, Octopuses, and Serpents.

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

Whenever Soulknife Spy deals combat damage to a player, draw a card.

Hexproof (This creature can't be the target of spells or abilities your opponents control.)

Whenever Spined Megalodon attacks, scry 1. (Look at the top card of your library. You may put that card on the bottom of your library.)

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.

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}.)

Whenever you cast an instant or sorcery spell, create a 2/2 blue Drake creature token with flying.

Kicker {4} (You may pay an additional {4} as you cast this spell.)

When Tazeem Roilmage enters the battlefield, if it was kicked, return target instant or sorcery card from your graveyard to your hand.

Flash

When Teferi's Wavecaster enters the battlefield, you may search your library and/or graveyard for a card named Teferi, Timeless Voyager, reveal it, and put it into your hand. If you search your library this way, shuffle.

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

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

Whenever Thada Adel, Acquisitor deals combat damage to a player, search that player's library for an artifact card and exile it. Then that player shuffles. Until end of turn, you may play that card.

When Thassa's Oracle enters the battlefield, 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.)

Indestructible

As long as your devotion to blue is less than five, Thassa isn't a creature. (Each {U} in the mana costs of permanents you control counts toward your devotion to blue.)

At the beginning of your upkeep, scry 1.

{1}{U}: Target creature you control can't be blocked this turn.

(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.

You may look at the top card of your library any time.

As long as The Reality Chip is attached to a creature, you may play lands and cast spells from the top of your library.

Reconfigure {2}{U} ({2}{U}: Attach to target creature you control; or unattach from a creature. Reconfigure only as a sorcery. While attached, this isn't a creature.)

Ninjutsu {2}{U}{U} ({2}{U}{U}, Return an unblocked attacker you control to hand: Put this card onto the battlefield from your hand tapped and attacking.)

Flying

When Thousand-Faced Shadow enters the battlefield from your hand, if it's attacking, create a token that's a copy of another target attacking creature. The token enters the battlefield tapped and attacking.

Flash

Flying

When Threnody Singer enters the battlefield, target creature an opponent controls gets -X/-0 until end of turn, where X is your devotion to blue. (Each {U} in the mana costs of permanents you control counts toward your devotion to blue.)

When Tidebinder Mage enters the battlefield, tap target red or green creature an opponent controls. That creature doesn't untap during its controller's untap step for as long as you control Tidebinder Mage.

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

Triton Shorestalker can't be blocked.

Return target creature to its owner's hand.

You may cast spells as though they had flash.

{T}: Add {C}. Spend this mana only to cast an instant or sorcery spell.

Defender (This creature can't attack.)

When Wall of Runes enters the battlefield, scry 1. (Look at the top card of your library. You may put that card on the bottom of your library.)

Flying

Creature spells with flying you cast cost {1} less to cast.

Enchant creature

When Waterknot enters the battlefield, tap enchanted creature.

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

Flash

Flying

This spell costs {1} less to cast if you control a creature with flying.

Draw two cards.

(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.