Haste

As long as Anger is in your graveyard and you control a Mountain, creatures you control have haste.

Binding Contract -- If you would draw a card, exile the top card of your library face down instead.

{B}{B}{B}: Draw seven cards.

{B}: Return all cards exiled with Asmodeus the Archfiend to their owner's hand and you lose that much life.

Bargain (You may sacrifice an artifact, enchantment, or token as you cast this spell.)

Return up to two target creature cards from your graveyard to your hand. If this spell was bargained, you may put one of those cards with mana value 4 or less onto the battlefield instead of putting it into your hand.

Add {R} for each creature you control.

Destroy target artifact, creature, or planeswalker.

Bloodfell Caves enters the battlefield tapped.

When Bloodfell Caves enters the battlefield, you gain 1 life.

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

Whenever you sacrifice another creature, put a +1/+1 counter on Body Dropper.

{B}{R}, Sacrifice another creature: Body Dropper gains menace until end of turn. (It can't be blocked except by two or more creatures.)

Bojuka Bog enters the battlefield tapped.

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

{T}: Add {B}.

Choose one --

• Burn Down the House deals 5 damage to each creature and each planeswalker.

• Create three 1/1 red Devil creature tokens with "When this creature dies, it deals 1 damage to any target." They gain haste until end of turn.

As Caged Sun enters the battlefield, choose a color.

Creatures you control of the chosen color get +1/+1.

Whenever a land's ability causes you to add one or more mana of the chosen color, add one additional mana of that color.

At the beginning of your upkeep, return an instant or sorcery card at random from your graveyard to your hand.

Whenever you cast an instant or sorcery spell, Charmbreaker Devils gets +4/+0 until end of turn.

Gain control of target spell that targets only a single permanent or player. Copy it, then reselect the targets at random for the spell and the copy. The new targets can't be you or a permanent you control.

Lands you control have "{T}: Add one mana of any color."

{T}: Add one mana of any color.

You may spend mana as though it were mana of any color.

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

{5}, {T}: Draw a card for each color among permanents you control.

Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for {1} or one mana of that creature's color.)

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

Create two 1/1 red Devil creature tokens. They have "When this creature dies, it deals 1 damage to any target."

If you control a commander, you may cast this spell without paying its mana cost.

You may choose new targets for target spell or ability.

Devil's Play deals X damage to any target.

Flashback {X}{R}{R}{R} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Create four 1/1 red Devil creature tokens. They have "When this creature dies, it deals 1 damage to any target."

Flash

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

As Door of Destinies enters the battlefield, choose a creature type.

Whenever you cast a spell of the chosen type, put a charge counter on Door of Destinies.

Creatures you control of the chosen type get +1/+1 for each charge counter on Door of Destinies.

Destroy target creature or planeswalker.

Whenever an opponent loses life, you gain that much life.

First strike

If a source would deal damage to an opponent, it deals double that damage to that player instead.

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

Fiery Temper deals 3 damage to any target.

Madness {R} (If you discard this card, discard it into exile. When you do, cast it for its madness cost or put it into your graveyard.)

Undying (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.)

Whenever Flayer of the Hatebound or another creature enters the battlefield from your graveyard, that creature deals damage equal to its power to any target.

Haste

Whenever you cast a noncreature spell, Frenzied Devils gets +2/+2 until end of turn.

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

Trample (This creature can deal excess combat damage to the player or planeswalker it's attacking.)

Red creature spells you cast cost {1} less to cast.

Whenever you cast a creature spell, you may discard a card. If you do, draw a card.

Haste

Whenever a creature you control attacks, Hellrider deals 1 damage to the player or planeswalker it's attacking.

As Herald's Horn enters the battlefield, choose a creature type.

Creature spells you cast of the chosen type cost {1} less to cast.

At the beginning of your upkeep, look at the top card of your library. If it's a creature card of the chosen type, you may reveal it and put it into your hand.

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 a creature enters the battlefield under your control, Impact Tremors deals 1 damage to each opponent.

Choose one. If you control a commander as you cast this spell, you may choose both instead.

• Add {R} for each card in target opponent's hand.

• Exile the top three cards of your library. You may play them this turn.

+2: Search your library for a basic Mountain card, reveal it, put it into your hand, then shuffle.

-3: Koth, Fire of Resistance deals damage to target creature equal to the number of Mountains you control.

-7: You get an emblem with "Whenever a Mountain enters the battlefield under your control, this emblem deals 4 damage to any target."

At the beginning of your end step, create a Treasure token for each creature that died this turn. (It's an artifact with "{T}, Sacrifice this artifact: Add one mana of any color.")

Make Mischief deals 1 damage to any target. Create a 1/1 red Devil creature token. It has "When this creature dies, it deals 1 damage to any target."

Whenever a player sacrifices a permanent, Mayhem Devil deals 1 damage to any target.

Mortuary Mire enters the battlefield tapped.

When Mortuary Mire enters the battlefield, you may put target creature card from your graveyard on top of your library.

{T}: Add {B}.

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

Destroy target creature.

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.

Trample

If a red source you control would deal an amount of noncombat damage less than Ojer Axonil's power to an opponent, that source deals damage equal to Ojer Axonil's power instead.

When Ojer Axonil dies, return it to the battlefield tapped and transformed under its owner's control.

(Transforms from Ojer Axonil, Deepest Might.)

{T}: Add {R}.

{2}{R}, {T}: Transform Temple of Power. Activate only if red sources you controlled dealt 4 or more noncombat damage this turn and only as a sorcery.

Flying, trample

When Orcus, Prince of Undeath enters the battlefield, choose one --

• Each other creature gets -X/-X until end of turn. You lose X life.

• Return up to X target creature cards with total mana value X or less from your graveyard to the battlefield. They gain haste until end of turn.

Path of Ancestry enters the battlefield tapped.

{T}: Add one mana of any color in your commander's color identity. When that mana is spent to cast a creature spell that shares a creature type with your commander, scry 1. (Look at the top card of your library. You may put that card on the bottom.)

{T}: Add {C}.

{T}, Sacrifice a creature: Add {B}{B}.

When Pitchburn Devils dies, it deals 3 damage to any target.

Indestructible

As long as your devotion to red is less than five, Purphoros isn't a creature.

Whenever another creature enters the battlefield under your control, Purphoros deals 2 damage to each opponent.

{2}{R}: Creatures you control get +1/+0 until end of turn.

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

{B}{R}: Rakdos Keyrune becomes a 3/1 black and red Devil artifact creature with first strike until end of turn.

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

Flying

Other Demons, Devils, Imps, and Tieflings you control get +1/+1 and have lifelink.

At the beginning of each end step, if a creature card was put into your graveyard from anywhere this turn, create a 1/1 red Devil creature token with "When this creature dies, it deals 1 damage to any target."

You have no maximum hand size.

{T}: Add {C}.

Copy target instant or sorcery spell. You may choose new targets for the copy.

Ward {2}

As Roaming Throne enters the battlefield, choose a creature type.

Roaming Throne is the chosen type in addition to its other types.

If a triggered ability of another creature you control of the chosen type triggers, it triggers an additional time.

Red spells you cast cost {1} less to cast.

Whenever you gain life, target opponent loses that much life.

{2}{R}: Scalding Devil deals 1 damage to target player or planeswalker.

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

Whenever a creature you control attacks, it gets +1/+0 until end of turn for each other attacking creature that shares a creature type with it.

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

As long as it's your turn, Spiteful Prankster has first strike.

Whenever another creature dies, Spiteful Prankster deals 1 damage to target player or planeswalker.

({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.

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

{T}: Add {C}{C}. Activate only if you control five or more lands.

Destroy target creature. It can't be regenerated.

You have no maximum hand size.

{T}: Add {C}.

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

{R}, Sacrifice Torch Fiend: Destroy target artifact.

As Urza's Incubator enters the battlefield, choose a creature type.

Creature spells of the chosen type cost {2} less to cast.

Valakut, the Molten Pinnacle enters the battlefield tapped.

Whenever a Mountain enters the battlefield under your control, if you control at least five other Mountains, you may have Valakut, the Molten Pinnacle deal 3 damage to any target.

{T}: Add {R}.

Destroy target artifact you don't control.

Overload {4}{R} (You may cast this spell for its overload cost. If you do, change "target" in its text to "each.")

Haste

Morbid -- {T}: Vengeful Devil deals 1 damage to any target. Activate only if a creature died this turn.

When Vexing Devil enters the battlefield, any opponent may have it deal 4 damage to them. If a player does, sacrifice Vexing Devil.

Choose two target creature cards in your graveyard. Sacrifice a creature. If you do, return the chosen cards to the battlefield tapped.

When Wildfire Devils enters the battlefield and at the beginning of your upkeep, choose a player at random. That player exiles an instant or sorcery card from their graveyard. Copy that card. You may cast the copy without paying its mana cost.

Alliance -- Whenever another creature enters the battlefield under your control, Witty Roastmaster deals 1 damage to each opponent.

+1: Creatures you control get +1/+0 and gain haste until end of turn.

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

-6: You get an emblem with "At the end of the first combat phase on your turn, untap target creature you control. After this phase, there is an additional combat phase."