Rancid Rats

Skulk (This creature can't be blocked by creatures with greater power.)
Deathtouch (Any amount of damage this deals to a creature is enough to destroy it.)

Grasping Scoundrel

This creature gets +1/+0 as long as it's attacking.

Honden of Night's Reach

At the beginning of your upkeep, target opponent discards a card for each Shrine you control.

Rebel

Liberating Combustion

Liberating Combustion deals 6 damage to target creature. You may search your library and/or graveyard for a card named Chandra, Pyrogenius, reveal it, and put it into your hand. If you search your library this way, shuffle.

Rainbow Vale

{T}: Add one mana of any color. An opponent gains control of this land at the beginning of the next end step.

Spawning Breath

Spawning Breath deals 1 damage to any target. Create a 0/1 colorless Eldrazi Spawn creature token. It has "Sacrifice this token: Add {C}."

Terminal Moraine

{T}: Add {C}.
{2}, {T}, Sacrifice this land: Search your library for a basic land card, put that card onto the battlefield tapped, then shuffle.

Guul Draz Overseer

Flying
Landfall — Whenever a land you control enters, other creatures you control get +1/+0 until end of turn. If that land is a Swamp, those creatures get +2/+0 until end of turn instead.

Unhallowed Pact

Enchant creature
When enchanted creature dies, return that card to the battlefield under your control.

Phobian Phantasm

Flying; fear (This creature can't be blocked except by artifact creatures and/or black creatures.)
Cumulative upkeep {B} (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.)

Unforge

Destroy target Equipment. If that Equipment was attached to a creature, Unforge deals 2 damage to that creature.

Warmonger Hellkite

Flying
All creatures attack each combat if able.
{1}{R}: Attacking creatures get +1/+0 until end of turn.

Demonic Stench

Each creature that blocked this turn gets -1/-1 until end of turn. (Then exile this card. You may cast the creature later from exile.)

Hezrou

Whenever one or more creatures you control become blocked, each blocking creature gets -1/-1 until end of turn.

Hezrou // Demonic Stench

Bane of Hanweir

This creature attacks each combat if able.
At the beginning of each upkeep, if a player cast two or more spells last turn, transform this creature.

Hanweir Watchkeep

Defender
At the beginning of each upkeep, if no spells were cast last turn, transform this creature.

Hanweir Watchkeep // Bane of Hanweir

Lich's Caress

Destroy target creature. You gain 3 life.

Never Happened

Target opponent reveals their hand. You choose a nonland card from that player's graveyard or hand and exile it.

Mountain

Cabal Surgeon

{2}{B}{B}, {T}, Exile two cards from your graveyard: Return target creature card from your graveyard to your hand.

Hooded Kavu

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

Pale Rider of Trostad

Skulk (This creature can't be blocked by creatures with greater power.)
When this creature enters, discard a card.

Hellkite Punisher

Flying
{R}: This creature gets +1/+0 until end of turn.

Oathsworn Vampire

This creature enters tapped.
You may cast this card from your graveyard if you gained life this turn.

Spireside Infiltrator

Whenever this creature becomes tapped, it deals 1 damage to each opponent.

Sadistic Sacrament

Kicker {7} (You may pay an additional {7} as you cast this spell.)
Search target player's library for up to three cards, exile them, then that player shuffles. If this spell was kicked, instead search that player's library for up to fifteen cards, exile them, then that player shuffles.

Chromatic Star

{1}, {T}, Sacrifice this artifact: Add one mana of any color.
When this artifact is put into a graveyard from the battlefield, draw a card.

Crystal Ball

{1}, {T}: Scry 2. (Look at the top two cards of your library, then put any number of them on the bottom and the rest on top in any order.)

Death-Mask Duplicant

Imprint — {1}: Exile target creature card from your graveyard.
As long as a card exiled with this creature has flying, this creature has flying. The same is true for fear, first strike, double strike, haste, landwalk, protection, and trample.

Kefnet's Monument

Blue creature spells you cast cost {1} less to cast.
Whenever you cast a creature spell, target creature an opponent controls doesn't untap during its controller's next untap step.

Purifying Dragon

Flying
Whenever this creature attacks, it deals 1 damage to target creature defending player controls. If that creature is a Zombie, this creature deals 2 damage to it instead.

Murderous Cut

Delve (Each card you exile from your graveyard while casting this spell pays for {1}.)
Destroy target creature.

Maze of Ith

{T}: Untap target attacking creature. Prevent all combat damage that would be dealt to and dealt by that creature this turn.

Vivid Marsh

This land enters tapped with two charge counters on it.
{T}: Add {B}.
{T}, Remove a charge counter from this land: Add one mana of any color.

The War in Heaven

(As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.)
I — You draw three cards and you lose 3 life.
II — Mill three cards.
III — Choose up to three target creature cards with total mana value 8 or less in your graveyard. Return each of them to the battlefield with a necrodermis counter on it. They're artifacts in addition to their other types.

Dynacharge

Target creature you control gets +2/+0 until end of turn.
Overload {2}{R} (You may cast this spell for its overload cost. If you do, change "target" in its text to "each.")

Hexgold Halberd

For Mirrodin! (When this Equipment enters, create a 2/2 red Rebel creature token, then attach this to it.)
During your turn, equipped creature has first strike and trample.
Equip {2}{R}

Doomwake Giant

Constellation — Whenever this creature or another enchantment you control enters, creatures your opponents control get -1/-1 until end of turn.

Restless Vents

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.

Elf Warrior

Ghost Quarter

{T}: Add {C}.
{T}, Sacrifice this land: Destroy target land. Its controller may search their library for a basic land card, put it onto the battlefield, then shuffle.

Plagued Rusalka

{B}, Sacrifice a creature: Target creature gets -1/-1 until end of turn.

The Biblioplex

{T}: Add {C}.
{2}, {T}: Look at the top card of your library. If it's an instant or sorcery card, you may reveal it and put it into your hand. If you don't put the card into your hand, you may put it into your graveyard. Activate only if you have exactly zero or seven cards in hand.

Braidwood Cup

Cryptic Trilobite

This creature enters with X +1/+1 counters on it.
Remove a +1/+1 counter from this creature: Add {C}{C}. Spend this mana only to activate abilities.
{1}, {T}: Put a +1/+1 counter on this creature.

Guiltfeeder

Fear (This creature can't be blocked except by artifact creatures and/or black creatures.)
Whenever this creature attacks and isn't blocked, defending player loses 1 life for each card in their graveyard.

Cutthroat Centurion

Sacrifice another artifact or creature: This creature gets +2/+2 until end of turn. Activate only once each turn.

Haunted Fengraf

{T}: Add {C}.
{3}, {T}, Sacrifice this land: Return a creature card at random from your graveyard to your hand.

Priest of Forgotten Gods

{T}, Sacrifice two other creatures: Any number of target players each lose 2 life and sacrifice a creature of their choice. You add {B}{B} and draw a card.

Ghost Town

{T}: Add {C}.
{0}: Return this land to its owner's hand. Activate only if it's not your turn.

Ugin, the Ineffable

Colorless spells you cast cost {2} less to cast.
+1: Exile the top card of your library face down and look at it. Create a 2/2 colorless Spirit creature token. When that token leaves the battlefield, put the exiled card into your hand.
−3: Destroy target permanent that's one or more colors.

Murderous Redcap

When this creature enters, it deals damage equal to its power to any target.
Persist (When this creature dies, if it had no -1/-1 counters on it, return it to the battlefield under its owner's control with a -1/-1 counter on it.)

Thermo-Alchemist

Defender
{T}: This creature deals 1 damage to each opponent.
Whenever you cast an instant or sorcery spell, untap this creature.

Biting-Palm Ninja

Ninjutsu {2}{B}
This creature enters with a menace counter on it.
Whenever this creature deals combat damage to a player, you may remove a menace counter from it. When you do, that player reveals their hand and you choose a nonland card from it. Exile that card.

Virulent Swipe

Target creature gets +2/+0 and gains deathtouch until end of turn.
Rebound (If you cast this spell from your hand, exile it as it resolves. At the beginning of your next upkeep, you may cast this card from exile without paying its mana cost.)

Boseiju, Who Shelters All

Boseiju enters tapped.
{T}, Pay 2 life: Add {C}. If that mana is spent on an instant or sorcery spell, that spell can't be countered.

Unknown Shores

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

Beacon of Destruction

Beacon of Destruction deals 5 damage to any target. Shuffle Beacon of Destruction into its owner's library.

Runaway Steam-Kin

Whenever you cast a red spell, if this creature has fewer than three +1/+1 counters on it, put a +1/+1 counter on this creature.
Remove three +1/+1 counters from this creature: Add {R}{R}{R}.

City of Traitors

When you play another land, sacrifice this land.
{T}: Add {C}{C}.

Keldon Twilight

At the beginning of each player's end step, if no creatures attacked this turn, that player sacrifices a creature of their choice that they controlled since the beginning of the turn.

Spirit

Serpentine Spike

Devoid (This card has no color.)
Serpentine Spike deals 2 damage to target creature, 3 damage to another target creature, and 4 damage to a third target creature. If a creature dealt damage this way would die this turn, exile it instead.

Swamp

Hinterland Scourge

This creature must be blocked if able.
At the beginning of each upkeep, if a player cast two or more spells last turn, transform this creature.

Hinterland Hermit

At the beginning of each upkeep, if no spells were cast last turn, transform this creature.

Hinterland Hermit // Hinterland Scourge

Sanctum of Ugin

{T}: Add {C}.
Whenever you cast a colorless spell with mana value 7 or greater, you may sacrifice this land. If you do, search your library for a colorless creature card, reveal it, put it into your hand, then shuffle.

Barktooth Warbeard

Eldrazi Spawn

Gorilla War Cry

Cast this spell only during combat before blockers are declared.
All creatures gain menace until end of turn. (They can't be blocked except by two or more creatures.)
Draw a card at the beginning of the next turn's upkeep.

Barreling Attack

Target creature gains trample until end of turn. When that creature becomes blocked this turn, it gets +1/+1 until end of turn for each creature blocking it.

Prowess of the Fair

Whenever another nontoken Elf is put into your graveyard from the battlefield, you may create a 1/1 green Elf Warrior creature token.

Brightstone Ritual

Add {R} for each Goblin on the battlefield.

Command Tower

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

Frenzied Raptor

Tarnished Citadel

{T}: Add {C}.
{T}: Add one mana of any color. This land deals 3 damage to you.

Flare

Flare deals 1 damage to any target.
Draw a card at the beginning of the next turn's upkeep.

Slingshot Goblin

{R}, {T}: This creature deals 2 damage to target blue creature.

Bounty Hunter

{T}: Put a bounty counter on target nonblack creature.
{T}: Destroy target creature with a bounty counter on it.

Kraul Raider

Menace (This creature can't be blocked except by two or more creatures.)

Clickslither

Haste
Sacrifice a Goblin: This creature gets +2/+2 and gains trample until end of turn.

Elaborate Firecannon

This artifact doesn't untap during your untap step.
{4}, {T}: This artifact deals 2 damage to any target.
At the beginning of your upkeep, you may discard a card. If you do, untap this artifact.