Untaidake, the Cloud Keeper

Untaidake enters tapped.
{T}, Pay 2 life: Add {C}{C}. Spend this mana only to cast legendary spells.

Caldera Lake

This land enters tapped.
{T}: Add {C}.
{T}: Add {U} or {R}. This land deals 1 damage to you.

Rakdos Carnarium

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

Slipstream Serpent

This creature can't attack unless defending player controls an Island.
When you control no Islands, sacrifice this creature.
Morph {5}{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.)

Azorius Chancery

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

Break Open

Turn target face-down creature an opponent controls face up.

Siegecraft

Enchant creature
Enchanted creature gets +2/+4.

Wood Elemental

As this creature enters, sacrifice any number of untapped Forests.
Wood Elemental's power and toughness are each equal to the number of Forests sacrificed as it entered.

Face of Fear

{2}{B}, Discard a card: This creature gains fear until end of turn. (It can't be blocked except by artifact creatures and/or black creatures.)

Akron Legionnaire

Except for creatures named Akron Legionnaire and artifact creatures, creatures you control can't attack.

Vec Townships

{T}: Add {C}.
{T}: Add {G} or {W}. This land doesn't untap during your next untap step.

Fasting

At the beginning of your upkeep, put a hunger counter on this enchantment. Then destroy this enchantment if it has five or more hunger counters on it.
If you would begin your draw step, you may skip that step instead. If you do, you gain 2 life.
When you draw a card, destroy this enchantment.

Aysen Abbey

{T}: Add {C}.
{1}, {T}: Add {W}.
{2}, {T}: Add {G} or {U}.

Cursed Monstrosity

Flying
Whenever this creature becomes the target of a spell or ability, sacrifice it unless you discard a land card.

Razor Boomerang

Equipped creature has "{T}, Unattach Razor Boomerang: It deals 1 damage to any target. Return Razor Boomerang to its owner's hand."
Equip {2}

Battleflight Eagle

Flying
When this creature enters, target creature gets +2/+2 and gains flying until end of turn.

Jandor's Ring

{2}, {T}, Discard the last card you drew this turn: Draw a card.

Shinka Gatekeeper

Whenever this creature is dealt damage, it deals that much damage to you.

Golgari Rot Farm

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

Goblin Firebug

When this creature leaves the battlefield, sacrifice a land.

Security Detail

{W}{W}: Create a 1/1 white Soldier creature token. Activate only if you control no creatures and only once each turn.

Atogatog

Sacrifice an Atog creature: Atogatog gets +X/+X until end of turn, where X is the sacrificed creature's power.

Crazed Goblin

This creature attacks each combat if able.

Ignoble Soldier

Whenever this creature becomes blocked, prevent all combat damage that would be dealt by it this turn.

Adventurers' Guildhouse

Green legendary creatures you control have "bands with other legendary creatures." (Any legendary creatures can attack in a band as long as at least one has "bands with other legendary creatures." Bands are blocked as a group. If at least two legendary creatures you control, one of which has "bands with other legendary creatures," are blocking or being blocked by the same creature, you divide that creature's combat damage, not its controller, among any of the creatures it's being blocked by or is blocking.)

Elvish Pathcutter

{2}{G}: Target Elf creature gains forestwalk until end of turn. (It can't be blocked as long as defending player controls a Forest.)

Rootwater Depths

{T}: Add {C}.
{T}: Add {U} or {B}. This land doesn't untap during your next untap step.

Hint of Insanity

Target player reveals their hand. That player discards all nonland cards with the same name as another card in their hand.

Island

Mountain

Bog Hoodlums

This creature can't block.
When this creature enters, clash with an opponent. If you win, put a +1/+1 counter on this creature. (Each clashing player reveals the top card of their library, then puts that card on the top or bottom. A player wins if their card had a higher mana value.)

Guildless Commons

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

Shinen of Fear's Chill

This creature can't block.
Channel — {1}{B}, Discard this creature: Target creature can't block this turn.

Simic Growth Chamber

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

Accursed Centaur

When this creature enters, sacrifice a creature.

Numai Outcast

Bushido 2 (Whenever this creature blocks or becomes blocked, it gets +2/+2 until end of turn.)
{B}, Pay 5 life: Regenerate this creature.

Addle

Choose a color. Target player reveals their hand and you choose a card of that color from it. That player discards that card.

Mindless Null

This creature can't block unless you control a Vampire.

Akoum Boulderfoot

When this creature enters, it deals 1 damage to any target.

Obelisk of Undoing

{6}, {T}: Return target permanent you both own and control to your hand.

Salt Flats

This land enters tapped.
{T}: Add {C}.
{T}: Add {W} or {B}. This land deals 1 damage to you.

Sorrow's Path

{T}: Choose two target blocking creatures controlled by the same opponent. If each of those creatures could block all creatures that the other is blocking, remove both of them from combat. Each one then blocks all creatures the other was blocking.
Whenever this land becomes tapped, it deals 2 damage to you and each creature you control.

Bull Rush

Target creature gets +2/+0 until end of turn.

Balduvian Shaman

{T}: Change the text of target white enchantment you control that doesn't have cumulative upkeep by replacing all instances of one color word with another. (For example, you may change "black creatures can't attack" to "blue creatures can't attack.") That enchantment gains "Cumulative upkeep {1}." (At the beginning of its controller's upkeep, that player puts an age counter on it, then sacrifices it unless they pay its upkeep cost for each age counter on it.)

Takeno's Cavalry

Bushido 1 (Whenever this creature blocks or becomes blocked, it gets +1/+1 until end of turn.)
{T}: This creature deals 1 damage to target attacking or blocking Spirit.

Nomad Stadium

{T}: Add {W}. This land deals 1 damage to you.
Threshold — {W}, {T}, Sacrifice this land: You gain 4 life. Activate only if seven or more cards are in your graveyard.

Ancient Spring

This land enters tapped.
{T}: Add {U}.
{T}, Sacrifice this land: Add {W}{B}.

Mogg Hollows

{T}: Add {C}.
{T}: Add {R} or {G}. This land doesn't untap during your next untap step.

Ark of Blight

{3}, {T}, Sacrifice Ark of Blight: Destroy target land.

Orbweaver Kumo

Reach (This creature can block creatures with flying.)
Whenever you cast a Spirit or Arcane spell, this creature gains forestwalk until end of turn. (It can't be blocked as long as defending player controls a Forest.)

Izzet Boilerworks

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

Favor of the Woods

Enchant creature
Whenever enchanted creature blocks, you gain 3 life.

Viridian Scout

{2}{G}, Sacrifice this creature: It deals 2 damage to target creature with flying.

Cinder Marsh

{T}: Add {C}.
{T}: Add {B} or {R}. This land doesn't untap during your next untap step.

Afflict

Target creature gets -1/-1 until end of turn.
Draw a card.

Plains

Camel

Banding (Any creatures with banding, and up to one without, can attack in a band. Bands are blocked as a group. If any creatures with banding you control are blocking or being blocked by a creature, you divide that creature's combat damage, not its controller, among any of the creatures it's being blocked by or is blocking.)
As long as this creature is attacking, prevent all damage Deserts would deal to this creature and to creatures banded with this creature.

Alabaster Leech

White spells you cast cost {W} more to cast.

Archangel's Light

You gain 2 life for each card in your graveyard, then shuffle your graveyard into your library.

Boros Garrison

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

Gruul Turf

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

Acceptable Losses

As an additional cost to cast this spell, discard a card at random.
Acceptable Losses deals 5 damage to target creature.

Cyclopean Snare

{3}, {T}: Tap target creature, then return this artifact to its owner's hand.

Psychic Spear

Target player reveals their hand. You choose a Spirit or Arcane card from it. That player discards that card.

Pine Barrens

This land enters tapped.
{T}: Add {C}.
{T}: Add {B} or {G}. This land deals 1 damage to you.

Rain of Rust

Choose one —
• Destroy target artifact.
• Destroy target land.
Entwine {3}{R} (Choose both if you pay the entwine cost.)

Forest

Celestial Prism

Viashino Skeleton

{1}{B}, Discard a card: Regenerate this creature.

Swamp

Cephalid Snitch

Sacrifice this creature: Target creature loses protection from black until end of turn.

Abandoned Outpost

This land enters tapped.
{T}: Add {W}.
{T}, Sacrifice this land: Add one mana of any color.

Scorching Spear

Scorching Spear deals 1 damage to any target.

Arena

{3}, {T}: Tap target creature you control and target creature of an opponent's choice they control. Those creatures fight each other. (Each deals damage equal to its power to the other.)

Tireless Missionaries

When this creature enters, you gain 3 life.

Kamahl's Sledge

Kamahl's Sledge deals 4 damage to target creature.
Threshold — If seven or more cards are in your graveyard, instead Kamahl's Sledge deals 4 damage to that creature and 4 damage to that creature's controller.

Aven Trooper

Flying
{2}{W}, Discard a card: This creature gets +1/+2 until end of turn.

Juju Bubble

Cumulative upkeep {1} (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.)
When you play a card, sacrifice this artifact.
{2}: You gain 1 life.

Ember Shot

Ember Shot deals 3 damage to any target.
Draw a card.

Kite Shield

Equipped creature gets +0/+3.
Equip {3} ({3}: Attach to target creature you control. Equip only as a sorcery.)

Thermal Blast

Thermal Blast deals 3 damage to target creature.
Threshold — Thermal Blast deals 5 damage instead if seven or more cards are in your graveyard.

An-Havva Township

{T}: Add {C}.
{1}, {T}: Add {G}.
{2}, {T}: Add {R} or {W}.

Bountiful Harvest

You gain 1 life for each land you control.

Thalakos Lowlands

{T}: Add {C}.
{T}: Add {W} or {U}. This land doesn't untap during your next untap step.

Orzhov Basilica

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

Dimir Aqueduct

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

Waste Away

As an additional cost to cast this spell, discard a card.
Target creature gets -5/-5 until end of turn.

Zephyr Spirit

When this creature blocks, return it to its owner's hand.

Coma Veil

Enchant artifact or creature
Enchanted permanent doesn't untap during its controller's untap step.

Horizon Seed

Whenever you cast a Spirit or Arcane spell, regenerate target creature.

Rakalite

{2}: Prevent the next 1 damage that would be dealt to any target this turn. Return this artifact to its owner's hand at the beginning of the next end step.

Fugitive Wizard

Sandstone Deadfall

{T}, Sacrifice two lands and this artifact: Destroy target attacking creature.

Goblin War Wagon

This creature doesn't untap during your untap step.
At the beginning of your upkeep, you may pay {2}. If you do, untap this creature.

Skyshroud Forest

This land enters tapped.
{T}: Add {C}.
{T}: Add {G} or {U}. This land deals 1 damage to you.

Scabland

This land enters tapped.
{T}: Add {C}.
{T}: Add {R} or {W}. This land deals 1 damage to you.

Selesnya Sanctuary

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

Tectonic Fiend

Echo {4}{R}{R} (At the beginning of your upkeep, if this came under your control since the beginning of your last upkeep, sacrifice it unless you pay its echo cost.)
This creature attacks each combat if able.