The Lost Caverns of Ixalan Commander

Legendary Creature — Merfolk Scout

At the beginning of combat on your turn, each Merfolk creature you control explores. (Reveal the top card of your library. Put that card into your hand if it's a land. Otherwise, put a +1/+1 counter on the exploring creature, then put the card back or put it into your graveyard.)
Whenever Hakbal attacks, you may put a land card from your hand onto the battlefield. If you don't, draw a card.

Hakbal of the Surging Soul

The Lost Caverns of Ixalan Promos

Land

As this land enters, choose a creature type.
{T}: Add {C}.
{T}: Add one mana of any color. Spend this mana only to cast a creature spell of the chosen type, and that spell can't be countered.

Cavern of Souls

Edge of Eternities Commander

Tower Winder

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

Command Tower

Ravnica Remastered

Instant

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.")

Cyclonic Rift

Creature — Merfolk Warrior

Whenever another Merfolk you control enters, put a +1/+1 counter on target Merfolk you control.

Deeproot Elite

Teenage Mutant Ninja Turtles Source Material

Enchantment

If an effect would create one or more tokens under your control, it creates twice that many of those tokens instead.
If an effect would put one or more counters on a permanent you control, it puts twice that many of those counters on that permanent instead.

Doubling Season

Tarkir: Dragonstorm Commander

This land enters tapped unless you control two or more other lands.
{T}: Add {G} or {U}.

Dreamroot Cascade

Edge of Eternities Promos

Land — Planet

This land enters tapped.
{T}: Add {G}.
Station (Tap another creature you control: Put charge counters equal to its power on this Planet. Station only as a sorcery.)
STATION 12+
{G}, {T}: Add {G} for each creature you control.

Evendo, Waking Haven

Arena Anthology 3

You may play an additional land on each of your turns.

Exploration

Avatar: The Last Airbender Eternal

{T}, Sacrifice this land: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle. Then if you control four or more lands, untap that land.

Fabled Passage

Modern Horizons 3 Promos

Sorcery

You may sacrifice a nontoken green creature rather than pay this spell's mana cost.
Search your library for up to two basic land cards, reveal those cards, put one onto the battlefield tapped and the other into your hand, then shuffle.

Flare of Cultivation

You may sacrifice a nontoken blue creature rather than pay this spell's mana cost.
Counter target spell.

Flare of Denial

Commander Masters

Choose a creature type. Look at the top six cards of your library. You may reveal any number of cards of the chosen type from among them and put the revealed cards into your hand. Put the rest on the bottom of your library in a random order.
Flashback {3}{G} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

For the Ancestors

If it's not your turn, you may exile a blue card from your hand rather than pay this spell's mana cost.
Counter target noncreature spell. If that spell is countered this way, exile it instead of putting it into its owner's graveyard.

Force of Negation

Murders at Karlov Manor Promos

Land — Forest Island

({T}: Add {G} or {U}.)
This land enters tapped.
When this land enters, surveil 1. (Look at the top card of your library. You may put it into your graveyard.)

Hedge Maze

Creatures you control with +1/+1 counters on them can't be blocked.

Herald of Secret Streams

Alchemy: Edge of Eternities

This land enters tapped unless you control a Forest or an Island.
{T}: Add {G} or {U}.

Hinterland Harbor

The List

Return all artifacts target player owns to their hand.

Hurkyl's Recall

Bloomburrow Promos

Enchantment — Class

(Gain the next level as a sorcery to add its ability.)
At the beginning of combat on your turn, put a +1/+1 counter on target creature you control.
{G}: Level 2
Permanents you control with counters on them have ward {1}.
{3}{G}: Level 3
If you would put one or more counters on a permanent or player, put twice that many of each of those kinds of counters on that permanent or player instead.

Innkeeper's Talent

Draw a card for each creature you control with a +1/+1 counter on it. Those creatures gain indestructible until end of turn. (Damage and effects that say "destroy" don't destroy them.)

Inspiring Call

{T}: Add {C}.
{4}, {T}: Proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

Karn's Bastion

As this enchantment enters, choose a creature type.
Whenever a creature you control of the chosen type enters or attacks, draw a card.

Kindred Discovery

Return up to three target land cards from your graveyard to your hand.
Dredge 3 (If you would draw a card, you may mill three cards instead. If you do, return this card from your graveyard to your hand.)

Life from the Loam

Wizards Play Network 2024

Creature — Merfolk

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

Lord of Atlantis

Breaking News

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

Mana Drain

Creature — Merfolk Shaman

Merfolk Mistbinder

Creature — Merfolk Wizard

Flash
When this creature enters, tap target creature an opponent controls. It loses all abilities until end of turn.

Merfolk Trickster

Lorwyn

Kindred Enchantment — Merfolk

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

Merrow Commerce

Islandwalk (This creature can't be blocked as long as defending player controls an Island.)
When this creature enters, you may search your library for a Merfolk card, reveal it, then shuffle and put that card on top.

Merrow Harbinger

Creature — Merfolk Soldier

Other Merfolk creatures you control get +1/+1.
Whenever you cast a Merfolk spell, you may tap or untap target permanent.

Merrow Reejerey

Copy

Flying
Other Merfolk you control get +1/+0 and have flying.
Encore {5}{U}{U} ({5}{U}{U}, Exile this card from your graveyard: For each opponent, create a token copy that attacks that opponent this turn if able. They gain haste. Sacrifice them at the beginning of the next end step. Activate only as a sorcery.)

Mist Dancer

Mystery Booster 2

Land — Island

({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.

Mystic Sanctuary

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

Mystical Tutor

The Lost Caverns of Ixalan

Whenever a creature you control explores a land card, you may put a land card from your hand onto the battlefield tapped.
Whenever a creature you control explores a nonland card, put a +1/+1 counter on Nicanzil.

Nicanzil, Current Conductor

Kamigawa: Neon Dynasty Promos

Legendary Land

{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.

Otawara, Soaring City

Duskmourn: House of Horror Commander

Until end of turn, creatures you control gain trample and get +X/+X, where X is the greatest power among creatures you control.

Overwhelming Stampede

Final Fantasy Commander

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.)

Path of Ancestry

Tales of Middle-earth Commander

Choose a creature type. Return all creatures that aren't of the chosen type to their owners' hands.

Raise the Palisade

Creature — Merfolk Spirit

At the beginning of combat on your turn, this creature explores. Then you may have it become a copy of another creature you control until end of turn. (To have this creature explore, reveal the top card of your library. Put that card into your hand if it's a land. Otherwise, put a +1/+1 counter on this creature, then put the card back or put it into your graveyard.)

Deepfathom Echo

Secret Lair Drop

Creature — Elf Druid

Landfall — Whenever a land you control enters, proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

Evolution Sage

Modern Horizons 3

Harbinger of the Seas

Foundations

Creature — Faerie Wizard

Flash (You may cast this spell any time you could cast an instant.)
Flying
You may cast spells as though they had flash.

High Fae Trickster

Creature — Merfolk Scout

When this creature enters, it explores X times. (To have it explore, reveal the top card of your library. Put that card into your hand if it's a land. Otherwise, put a +1/+1 counter on that creature, then put the card back or put it into your graveyard.)

Jadelight Spelunker

Scion of the Deep

Legendary Creature — Merfolk Noble

When Kiora enters, draw two cards, then discard two cards.
Threshold — Whenever Kiora attacks, if there are seven or more cards in your graveyard, you may create Scion of the Deep, a legendary 8/8 blue Octopus creature token.

Kiora, the Rising Tide

Ixalan Promos

Legendary Creature — Merfolk Wizard

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.

Kopala, Warden of Waves

Time Spiral Remastered

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

Master of the Pearl Trident

Wilds of Eldraine

Legendary Artifact

You may spend mana as though it were mana of any color to activate abilities of creatures you control.
Creatures you control with +1/+1 counters on them have all activated abilities of all creature cards exiled with Agatha's Soul Cauldron.
{T}: Exile target card from a graveyard. When a creature card is exiled this way, put a +1/+1 counter on target creature you control.

Agatha's Soul Cauldron

Artifact

As this artifact enters, choose a creature type. This artifact enters with a fellowship counter on it for each creature you control of the chosen type.
Creatures you control of the chosen type get +1/+1 for each fellowship counter on this artifact.

Banner of Kinship

Theros Promos

Legendary Enchantment Artifact

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.

Bident of Thassa

Double Masters

{T}: Add {C}.
{1}{U}, {T}: Put target artifact card from your graveyard on top of your library.

Academy Ruins

Avacyn Restored

{T}: Add {C}.
{G}{U}, {T}: You may cast spells this turn as though they had flash.

Alchemist's Refuge

Zendikar Rising Expeditions

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

Ancient Tomb

This land enters tapped unless you control two or fewer other lands.
{T}: Add {G} or {U}.

Botanical Sanctum

Ravnica: Clue Edition

({T}: Add {G} or {U}.)
As this land enters, you may pay 2 life. If you don't, it enters tapped.

Breeding Pool

Basic Land — Island

Island

Gilt-Leaf Alchemist

Basic Land — Forest

Forest

Creature — Shapeshifter

Changeling (This card is every creature type.)
As this creature enters, choose a creature type.
You may look at the top card of your library any time.
You may cast creature spells of the chosen type from the top of your library.

Realmwalker

This land enters tapped unless you have two or more opponents.
{T}: Add {G} or {U}.

Rejuvenating Springs

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

Reliquary Tower

Final Fantasy: Through the Ages

Archival Whorl

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

Rhystic Study

Proliferate, then choose any number of permanents you control that had a counter put on them this way. Those permanents phase out. (To proliferate, choose any number of permanents and/or players, then give each another counter of each kind already there. Treat phased-out permanents and anything attached to them as though they don't exist until their controller's next turn.)

Ripples of Potential

Return all nonland permanents target player controls to their owner's hand.

River's Rebuke

Artifact Creature — Golem

Ward {2}
As this creature enters, choose a creature type.
This creature is the chosen type in addition to its other types.
If a triggered ability of another creature you control of the chosen type triggers, it triggers an additional time.

Roaming Throne

{T}: Add {C}.
{4}, {T}: Target creature can't be blocked this turn.

Rogue's Passage

Creature — Human Mercenary

{3}, {T}: Search your library for a Merfolk permanent card, put it onto the battlefield, then shuffle.

Seahunter

As this land enters, choose a creature type.
{T}: Add {C}.
{T}: Add one mana of any color. Spend this mana only to cast a creature spell of the chosen type or activate an ability of a creature source of the chosen type.

Secluded Courtyard

This land enters tapped.
When this land enters, return a land you control to its owner's hand.
{T}: Add {G}{U}.

Type	%	#
Blue	70%	60
Green	30%	26
*Inner Circle

Type	%	#
White	9%	7
Blue	29%	23
Black	9%	7
Red	9%	7
Green	27%	21
Colorless	17%	13
*Outer Circle

Deck History