Underground Sea

Badlands

Polymorph

Destroy target creature. It can't be regenerated. Its controller reveals cards from the top of their library until they reveal a creature card. The player puts that card onto the battlefield, then shuffles all other cards revealed this way into their library.

Twiddle

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

Hasran Ogress

Whenever Hasran Ogress attacks, it deals 3 damage to you unless you pay {2}.

Telepathy

Your opponents play with their hands revealed.

Fire Diamond

Fire Diamond enters the battlefield tapped.
{T}: Add {R}.

Star Compass

Star Compass enters the battlefield tapped.
{T}: Add one mana of any color that a basic land you control could produce.

Rag Man

{B}{B}{B}, {T}: Target opponent reveals their hand and discards a creature card at random. Activate only during your turn.

Mountain

Puppeteer

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

Counterspell

Daring Apprentice

{T}, Sacrifice Daring Apprentice: Counter target spell.

Sol Ring

Jayemdae Tome

Grave Pact

Whenever a creature you control dies, each other player sacrifices a creature.

Nightmare

Flying (This creature can't be blocked except by creatures with flying or reach.)
Nightmare's power and toughness are each equal to the number of Swamps you control.

Merchant Scroll

Search your library for a blue instant card, reveal that card, put it into your hand, then shuffle.

Urza's Mine

{T}: Add {C}. If you control an Urza's Power-Plant and an Urza's Tower, add {C}{C} instead.

Errantry

Enchant creature
Enchanted creature gets +3/+0 and can only attack alone.

Sky Diamond

Sky Diamond enters the battlefield tapped.
{T}: Add {U}.

Furnace of Rath

If a source would deal damage to a permanent or player, it deals double that damage to that permanent or player instead.

Volcanic Island

Ur-Golem's Eye

Urborg Volcano

Urborg Volcano enters the battlefield tapped.
{T}: Add {B} or {R}.

Diabolic Vision

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

Ice Floe

You may choose not to untap Ice Floe during your untap step.
{T}: Tap target creature without flying that's attacking you. It doesn't untap during its controller's untap step for as long as Ice Floe remains tapped.

Strip Mine

{T}: Add {C}.
{T}, Sacrifice Strip Mine: Destroy target land.

Timetwister

Each player shuffles their hand and graveyard into their library, then draws seven cards. (Then put Timetwister into its owner's graveyard.)

Aladdin

{1}{R}{R}, {T}: Gain control of target artifact for as long as you control Aladdin.

Plague Wind

Destroy all creatures you don't control. They can't be regenerated.

Nicol Bolas

Flying
At the beginning of your upkeep, sacrifice Nicol Bolas unless you pay {U}{B}{R}.
Whenever Nicol Bolas deals damage to an opponent, that player discards their hand.

Relentless Assault

Untap all creatures that attacked this turn. After this main phase, there is an additional combat phase followed by an additional main phase.

Mana Prism

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

Urza's Tower

{T}: Add {C}. If you control an Urza's Mine and an Urza's Power-Plant, add {C}{C}{C} instead.

Clone

You may have Clone enter the battlefield as a copy of any creature on the battlefield.

Horn of Deafening

{2}, {T}: Prevent all combat damage that would be dealt by target creature this turn.

Island

Swamp

Active Volcano

Choose one —
• Destroy target blue permanent.
• Return target Island to its owner's hand.

Flash Counter

Firebreathing

Enchant creature
{R}: Enchanted creature gets +1/+0 until end of turn.

Relearn

Return target instant or sorcery card from your graveyard to your hand.

Mana Leak

Counter target spell unless its controller pays {3}.

Shivan Reef

{T}: Add {C}.
{T}: Add {U} or {R}. Shivan Reef deals 1 damage to you.

Anti-Magic Aura

Enchant creature
Enchanted creature can't be the target of spells and can't be enchanted by other Auras.

Stone Rain

Underground River

{T}: Add {C}.
{T}: Add {U} or {B}. Underground River deals 1 damage to you.

City of Brass

Whenever City of Brass becomes tapped, it deals 1 damage to you.
{T}: Add one mana of any color.

Sulfurous Springs

{T}: Add {C}.
{T}: Add {B} or {R}. Sulfurous Springs deals 1 damage to you.

Fellwar Stone

{T}: Add one mana of any color that a land an opponent controls could produce.

Temporal Adept

{U}{U}{U}, {T}: Return target permanent to its owner's hand.

Granite Grip

Enchant creature
Enchanted creature gets +1/+0 for each Mountain you control.

Steal Artifact

Enchant artifact
You control enchanted artifact.

Confiscate

Enchant permanent
You control enchanted permanent.

Invisibility

Enchant creature
Enchanted creature can't be blocked except by Walls.

Rewind

Counter target spell. Untap up to four lands.

Gravedigger

When Gravedigger enters the battlefield, you may return target creature card from your graveyard to your hand.

Salt Marsh

Salt Marsh enters the battlefield tapped.
{T}: Add {U} or {B}.

Sentinel

{0}: Change Sentinel's base toughness to 1 plus the power of target creature blocking or blocked by Sentinel. (This effect lasts indefinitely.)

Spellbook

Royal Assassin

Diabolic Tutor

Search your library for a card, put that card into your hand, then shuffle.

Sisay's Ring

Blood Moon

Control Magic

Enchant creature
You control enchanted creature.

Planar Portal

{6}, {T}: Search your library for a card, put that card into your hand, then shuffle.

Remove Soul

Zombify

Return target creature card from your graveyard to the battlefield.

Bribery

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

Nevinyrral's Disk

Nevinyrral's Disk enters the battlefield tapped.
{1}, {T}: Destroy all artifacts, creatures, and enchantments.

Urza's Power Plant

{T}: Add {C}. If you control an Urza's Mine and an Urza's Tower, add {C}{C} instead.

Underworld Dreams

Whenever an opponent draws a card, Underworld Dreams deals 1 damage to that player.

Glacial Wall

Charcoal Diamond

Charcoal Diamond enters the battlefield tapped.
{T}: Add {B}.

Shock

Axelrod Gunnarson

Trample
Whenever a creature dealt damage by Axelrod Gunnarson this turn dies, you gain 1 life and Axelrod deals 1 damage to target player or planeswalker.