Flying

Whenever Archon of Cruelty enters the battlefield or attacks, target opponent sacrifices a creature or planeswalker, discards a card, and loses 3 life. You draw a card and gain 3 life.

Arvinox, the Mind Flail isn't a creature unless you control three or more permanents you don't own.

At the beginning of your end step, exile the bottom card of each opponent's library face down. For as long as those cards remain exiled, you may look at them, you may cast permanent spells from among them, and you may spend mana as though it were mana of any color to cast those spells.

{1}{R}: Put a +1/+1 counter on Ashling the Pilgrim. If this is the third time this ability has resolved this turn, remove all +1/+1 counters from Ashling the Pilgrim, and it deals that much damage to each creature and each player.

Minion creatures get +1/+1.

{B}{B}{B}, Exile Balthor the Defiled: Each player returns all black and all red creature cards from their graveyard to the battlefield.

{T}: Add {B}.

{T}: Add {R}.

{T}, Pay 1 life, Sacrifice Bloodstained Mire: Search your library for a Swamp or Mountain card, put it onto the battlefield, then shuffle.

Bojuka Bog enters tapped.

When Bojuka Bog enters, exile target player's graveyard.

{T}: Add {B}.

Equipped creature gets +2/+2.

As long as equipped creature is legendary, it has hexproof. (It can't be the target of spells or abilities your opponents control.)

Equip {1}

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

When you cast this spell, you may search your library for a colorless creature card with mana value 7 or greater, reveal it, then shuffle and put that card on top.

The first creature spell you cast each turn costs {2} less to cast.

Cryptolith Fragment enters the battlefield tapped.

{T}: Add one mana of any color. Each player loses 1 life.

At the beginning of your upkeep, if each player has 10 or less life, transform Cryptolith Fragment.

Flying, deathtouch

Whenever Aurora of Emrakul attacks, each opponent loses 3 life.

Flash

Whenever a creature you control dies, each opponent sacrifices a creature.

Flying, haste

Other creatures you control have haste.

Whenever an opponent casts a creature or planeswalker spell with the same name as a card in their graveyard, that player loses 10 life.

Dragonskull Summit enters the battlefield tapped unless you control a Swamp or a Mountain.

{T}: Add {B} or {R}.

When Dread Cacodemon enters the battlefield, if you cast it from your hand, destroy all creatures your opponents control, then tap all other creatures you control.

Each nonland card in your hand without foretell has foretell. Its foretell cost is equal to its mana cost reduced by {2}. (During your turn, you may pay {2} and exile it from your hand face down. Cast it on a later turn for its foretell cost.)

Whenever you foretell a card, Dream Devourer gets +2/+0 until end of turn.

Earthquake deals X damage to each creature without flying and each player.

This spell costs {1} less to cast for each card type among cards in your graveyard.

When you cast this spell, you gain control of target opponent during that player's next turn. After that turn, that player takes an extra turn.

Flying, trample, protection from instants

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

Each opponent loses X life. You gain life equal to the life lost this way.

Whenever a nontoken creature enters the battlefield under your control, you may pay {R}. If you do, create a token that's a copy of that creature. That token gains haste. Exile it at the beginning of the next end step.

First strike

At the beginning of your postcombat main phase, look at the top X cards of your library, where X is the total amount of life your opponents lost this turn. Exile one of those cards and put the rest on the bottom of your library in a random order. You may play the exiled card this turn.

As Foreboding Ruins enters the battlefield, you may reveal a Swamp or Mountain card from your hand. If you don't, Foreboding Ruins enters the battlefield tapped.

{T}: Add {B} or {R}.

{T}: Add three mana of any one color.

Grenzo, Dungeon Warden enters the battlefield with X +1/+1 counters on it.

{2}: Put the bottom card of your library into your graveyard. If it's a creature card with power less than or equal to Grenzo's power, put it onto the battlefield.

Choose target creature card in a graveyard that was put there from the battlefield this turn. Put that card onto the battlefield under your control.

{R}, Return Grinning Ignus to its owner's hand: Add {C}{C}{R}. Activate only as a sorcery.

Hangarback Walker enters with X +1/+1 counters on it.

When Hangarback Walker dies, create a 1/1 colorless Thopter artifact creature token with flying for each +1/+1 counter on Hangarback Walker.

{1}, {T}: Put a +1/+1 counter on Hangarback Walker.

Haunted Ridge enters the battlefield tapped unless you control two or more other lands.

{T}: Add {B} or {R}.

{T}: Heartless Hidetsugu deals damage to each player equal to half that player's life total, rounded down.

{B}, Sacrifice a creature: Scry 2.

{2}{R}, {T}: Exile the top card of your library. You may play that card this turn. When you exile a nonland card this way, Hidetsugu, Devouring Chaos deals damage equal to the exiled card's mana value to any target.

Exile target creature. Until the end of your next turn, you may cast that card and you may spend mana as though it were mana of any color to cast that spell.

Whenever an opponent casts a spell, Kaervek the Merciless deals damage equal to that spell's mana value to any target.

Keldon Megaliths enters the battlefield tapped.

{T}: Add {R}.

Hellbent -- {1}{R}, {T}: Keldon Megaliths deals 1 damage to any target. Activate only if you have no cards in hand.

When you cast this spell, if you have fewer than seven cards in hand, draw cards equal to the difference.

Menace

Discard a card with mana value X: Counter target spell with mana value X.

{T}: Add {C}.

{T}: Add {B} or {R}. Lantern-Lit Graveyard doesn't untap during your next untap step.

({T}: Add {B}.)

Leechridden Swamp enters the battlefield tapped.

{B}, {T}: Each opponent loses 1 life. Activate only if you control two or more black permanents.

Defender

{T}: Lobber Crew deals 1 damage to each opponent.

Whenever you cast a multicolored spell, untap Lobber Crew.

Menace

Lieutenant -- At the beginning of combat on your turn, if you control your commander, each opponent loses 3 life.

First strike, deathtouch

Master of Cruelties can only attack alone.

Whenever Master of Cruelties attacks a player and isn't blocked, that player's life total becomes 1. Master of Cruelties assigns no combat damage this combat.

{T}: Add {C}.

{1}, {T}, Sacrifice Mind Stone: Draw a card.

Indestructible

As long as your devotion to black and red is less than seven, Mogis isn't a creature.

At the beginning of each opponent's upkeep, Mogis deals 2 damage to that player unless they sacrifice a creature.

Whenever one or more other creatures die, draw a card. This ability triggers only once each turn.

({T}: Add {R}.)

({T}: Add {R}.)

Devoid (This card has no color.)

{T}: Nettle Drone deals 1 damage to each opponent.

Whenever you cast a colorless spell, untap Nettle Drone.

Flying, trample

Whenever an opponent searches their library, that player sacrifices a creature and loses 10 life.

Whenever another creature dies, put a +1/+1 counter on Ob Nixilis, Unshackled.

Casualty X. The copy isn't legendary and has starting loyalty X. (As you cast this spell, you may sacrifice a creature with power X. When you do, copy this spell. The copy becomes a token.)

+1: Each opponent loses 2 life unless they discard a card. If you control a Demon or Devil, you gain 2 life.

-2: Create a 1/1 red Devil creature token with "When this creature dies, it deals 1 damage to any target."

-7: Target player draws seven cards and loses 7 life.

When you cast this spell, target opponent exiles the top four cards of their library, then you may put any number of land cards that player owns from exile onto the battlefield under your control.

(As this Saga enters and after your draw step, add a lore counter.)

I, II -- Each opponent loses 1 life and you gain 1 life.

III -- Exile this Saga, then return it to the battlefield transformed under your control.

Menace

Vehicles you control have menace. (They can't be blocked except by two or more creatures.)

As Palace Siege enters the battlefield, choose Khans or Dragons.

• Khans -- At the beginning of your upkeep, return target creature card from your graveyard to your hand.

• Dragons -- At the beginning of your upkeep, each opponent loses 2 life and you gain 2 life.

At the beginning of the end step, if no creatures are on the battlefield, sacrifice Pestilence.

{B}: Pestilence deals 1 damage to each creature and each player.

Your life total can't change. (You can't gain or lose life. You can't pay any amount of life except 0.)

If a spell or ability would cause its controller to gain life, that player loses that much life instead.

Choose one --

• Exile target player's graveyard.

• Destroy target artifact.

• Each creature deals 1 damage to its controller.

You can't cast this spell unless an opponent lost life this turn.

Flying, trample

Creature spells you cast cost {1} less to cast for each 1 life your opponents have lost this turn.

Flying

Fire Breath -- When Red Dragon enters the battlefield, it deals 4 damage to each opponent.

Landfall -- Whenever a land enters the battlefield under your control, choose one --

• Target creature gets +1/+0 and gains deathtouch until end of turn.

• Each opponent loses 1 life and you gain 1 life.

Rocky Tar Pit enters the battlefield tapped.

{T}, Sacrifice Rocky Tar Pit: Search your library for a Swamp or Mountain card, put it onto the battlefield, then shuffle.

{T}: Add {C}.

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

Rolling Earthquake deals X damage to each creature without horsemanship and each player.

{T}: Add {C}.

Whenever you cast a colorless spell with mana value 7 or greater, you may sacrifice Sanctum of Ugin. If you do, search your library for a colorless creature card, reveal it, put it into your hand, then shuffle.

Equipped creature gets +2/+2.

Whenever a creature dealt damage by equipped creature this turn dies, return that card to the battlefield under your control. Attach Scythe of the Wretched to that creature.

Equip {4}

At the beginning of your upkeep, sacrifice Season of the Witch unless you pay 2 life.

At the beginning of the end step, destroy all untapped creatures that didn't attack this turn, except for creatures that couldn't attack.

{1}, {T}: Add {B}{R}.

Swampwalk (This creature can't be blocked as long as defending player controls a Swamp.)

At the beginning of your upkeep, return target creature card from your graveyard to the battlefield.

At the beginning of each opponent's upkeep, that player sacrifices a creature.

{T}: Add {R}.

{R}, {T}: Target legendary creature gains first strike until end of turn.

{T}: Add {C}.

{2}{R}, {T}: Shivan Gorge deals 1 damage to each opponent.

{T}: Add {C}.

{T}: Add {C}{C}. Spend this mana only to cast colorless spells. Activate only if you control seven or more lands.

Menace

At the beginning of your upkeep, reveal the top card of your library. Any opponent may have you put that card into your graveyard. If a player does, Sin Prodder deals damage to that player equal to that card's mana value. Otherwise, put that card into your hand.

Choose one --

• Slagstorm deals 3 damage to each creature.

• Slagstorm deals 3 damage to each player.

({T}: Add {B} or {R}.)

Smoldering Marsh enters the battlefield tapped unless you control two or more basic lands.

{T}: Add {C}{C}.

Spectacle {1}{B}{B} (You may cast this spell for its spectacle cost rather than its mana cost if an opponent lost life this turn.)

Flying, trample

At the beginning of your upkeep, Spawn of Mayhem deals 1 damage to each player. Then if you have 10 or less life, put a +1/+1 counter on Spawn of Mayhem.

{T}: Add {C}.

{3}{B}{R}, {T}: Stensia Bloodhall deals 2 damage to target player or planeswalker.

Flying, haste, protection from white

{5}{R}{R}: Monstrosity 3. (If this creature isn't monstrous, put three +1/+1 counters on it and it becomes monstrous.)

When Stormbreath Dragon becomes monstrous, it deals damage to each opponent equal to the number of cards in that player's hand.

Menace

At the beginning of your upkeep, each player draws a card and loses 1 life.

({T}: Add {B} or {R}.)

Sulfurous Mire enters the battlefield tapped.

{T}: Add {C}.

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

When Sunscorched Desert enters the battlefield, it deals 1 damage to target player or planeswalker.

{T}: Add {C}.

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

Equipped creature has hexproof and haste. (It can't be the target of spells or abilities your opponents control.)

Equip {1}

{T}: Add {C}.

{T}: Add {B} or {R}. Activate only if you control a Swamp.

Target creature gets +1/+0 and gains infect until end of turn. (It deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.)

Temple of Malice enters the battlefield tapped.

When Temple of Malice enters the battlefield, scry 1.

{T}: Add {B} or {R}.

Menace

Whenever an opponent sacrifices a nontoken permanent or discards a permanent card, you may put that card from a graveyard onto the battlefield under your control.

{T}: Target player loses 3 life unless they sacrifice a nonland permanent or discard a card.

{3}{B}: Untap Tergrid's Lantern.

Defender

{T}: Thermo-Alchemist deals 1 damage to each opponent.

Whenever you cast an instant or sorcery spell, untap Thermo-Alchemist.

{T}: Add {C}.

{2}, {T}: Target legendary creature becomes a God in addition to its other types. Put a +1/+1 counter on it.

{4}, {T}, Sacrifice Tyrite Sanctum: Put an indestructible counter on target God.

Each nonland card in your graveyard has escape. The escape cost is equal to the card's mana cost plus exile three other cards from your graveyard. (You may cast cards from your graveyard for their escape cost.)

At the beginning of the end step, sacrifice Underworld Breach.

Target creature gains undying until end of turn. (When it 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.)

Until end of turn, target creature gains "When this creature dies, return it to the battlefield tapped under its owner's control with a +1/+1 counter on it."

{T}: Add {B}.

{T}: Target creature loses first strike or swampwalk until end of turn.

You may cast spells as though they had flash.

Your opponents can't cast spells with even mana values. (Zero is even.)

Your opponents can't block with creatures with even mana values.

Creatures you control have lifelink.

{2}{B}{B}, {T}: Return target creature card from your graveyard to the battlefield. It gains haste. Exile it at the beginning of the next end step. If it would leave the battlefield, exile it instead of putting it anywhere else. Activate only as a sorcery.