The Lost Caverns of Ixalan

Throne of the Grim Captain
The Grim Captain

Throne of the Grim Captain {2}

Legendary Artifact
{T}: Mill two cards.
Craft with a Dinosaur, a Merfolk, a Pirate, and a Vampire {4}
Card has other part: The Grim Captain
The Grim Captain
Throne of the Grim Captain

The Grim Captain

Legendary Creature - Skeleton Spirit Pirate
(Color indicator: The Grim Captain is black)
Menace, trample, lifelink, hexproof
Whenever The Grim Captain attacks, each opponent sacrifices a nonland permanent of their choice. Then you may put an exiled creature card used to craft The Grim Captain onto the battlefield under your control tapped and attacking.
7/7
Card has other part: Throne of the Grim Captain
Treasure Map
Treasure Cove

Treasure Map {2}

Artifact
{1}, {T}: Scry 1. Put a landmark counter on this artifact. Then if there are three or more landmark counters on it, remove those counters, transform this artifact, and create three Treasure tokens.
Card has other part: Treasure Cove
Treasure Cove
Treasure Map

Treasure Cove

Land
{T}: Add {C}.
{T}, Sacrifice a Treasure: Draw a card.
Card has other part: Treasure Map
Captivating Cave

Captivating Cave

Land - Cave
{T}: Add {C}.
{1}, {T}: Add one mana of any color.
{4}, {T}, Sacrifice this land: Put two +1/+1 counters on target creature. Activate only as a sorcery.
Cavern of Souls

Cavern of Souls

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.
Cavernous Maw

Cavernous Maw

Land - Cave
{T}: Add {C}.
{2}: This land becomes a 3/3 Elemental creature until end of turn. It's still a Cave land. Activate only if the number of other Caves you control plus the number of Cave cards in your graveyard is three or greater.
Many footprints lead into the cave. None lead out.
Echoing Deeps

Echoing Deeps

Land - Cave
You may have this land enter tapped as a copy of any land card in a graveyard, except it's a Cave in addition to its other types.
{T}: Add {C}.
The still, silent waters reflect what was, not what is.
Forgotten Monument

Forgotten Monument

Land - Cave
{T}: Add {C}.
Other Caves you control have "{T}, Pay 1 life: Add one mana of any color."
The Komon Winaq left behind few written records, but their handiwork stands strong all throughout the Core.
Hidden Cataract

Hidden Cataract

Land - Cave
This land enters tapped.
{T}: Add {U}.
{4}{U}, {T}, Sacrifice this land: Discover 4. Activate only as a sorcery.
Hidden Courtyard

Hidden Courtyard

Land - Cave
This land enters tapped.
{T}: Add {W}.
{4}{W}, {T}, Sacrifice this land: Discover 4. Activate only as a sorcery.
Hidden Necropolis

Hidden Necropolis

Land - Cave
This land enters tapped.
{T}: Add {B}.
{4}{B}, {T}, Sacrifice this land: Discover 4. Activate only as a sorcery.
Hidden Nursery

Hidden Nursery

Land - Cave
This land enters tapped.
{T}: Add {G}.
{4}{G}, {T}, Sacrifice this land: Discover 4. Activate only as a sorcery.
Hidden Volcano

Hidden Volcano

Land - Cave
This land enters tapped.
{T}: Add {R}.
{4}{R}, {T}, Sacrifice this land: Discover 4. Activate only as a sorcery.
Pit of Offerings

Pit of Offerings

Land - Cave
This land enters tapped.
When this land enters, exile up to three target cards from graveyards.
{T}: Add {C}.
{T}: Add one mana of any of the exiled cards' colors.
Promising Vein

Promising Vein

Land - Cave
{T}: Add {C}.
{1}, {T}, Sacrifice this land: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle.
United under the banner of the Brazen Coalition, pirates put aside their feuds to plunder the underground bounty.
Restless Anchorage

Restless Anchorage

Land
This land enters tapped.
{T}: Add {W} or {U}.
{1}{W}{U}: Until end of turn, this land becomes a 2/3 white and blue Bird creature with flying. It's still a land.
Whenever this land attacks, create a Map token.
Restless Prairie

Restless Prairie

Land
This land enters tapped.
{T}: Add {G} or {W}.
{2}{G}{W}: This land becomes a 3/3 green and white Llama creature until end of turn. It's still a land.
Whenever this land attacks, other creatures you control get +1/+1 until end of turn.
Restless Reef

Restless Reef

Land
This land enters tapped.
{T}: Add {U} or {B}.
{2}{U}{B}: Until end of turn, this land becomes a 4/4 blue and black Shark creature with deathtouch. It's still a land.
Whenever this land attacks, target player mills four cards.
Restless Ridgeline

Restless Ridgeline

Land
This land enters tapped.
{T}: Add {R} or {G}.
{2}{R}{G}: This land becomes a 3/4 red and green Dinosaur creature until end of turn. It's still a land.
Whenever this land attacks, another target attacking creature gets +2/+0 until end of turn. Untap that creature.
Restless Vents

Restless Vents

Land
This land enters tapped.
{T}: Add {B} or {R}.
{1}{B}{R}: Until end of turn, this land becomes a 2/3 black and red Insect creature with menace. It's still a land.
Whenever this land attacks, you may discard a card. If you do, draw a card.
Sunken Citadel

Sunken Citadel

Land - Cave
This land enters tapped. As it enters, choose a color.
{T}: Add one mana of the chosen color.
{T}: Add two mana of the chosen color. Spend this mana only to activate abilities of land sources.
Related card: Eumidian Lifeseed
Volatile Fault

Volatile Fault

Land - Cave
{T}: Add {C}.
{1}, {T}, Sacrifice this land: Destroy target nonbasic land an opponent controls. That player may search their library for a basic land card, put it onto the battlefield, then shuffle. You create a Treasure token.
Plains

Plains

Basic Land - Plains
({T}: Add {W}.)
Related card: Norn's Fetchling
Island

Island

Basic Land - Island
({T}: Add {U}.)