This spell costs {1} less to cast for each instant and sorcery card in your graveyard.

Prowess

When Bedlam Reveler enters the battlefield, discard your hand, then draw three cards.

Each player draws three cards, then discards three cards at random.

Chained Brute doesn't untap during your untap step.

{1}, Sacrifice another creature: Untap Chained Brute. Activate only during your turn.

+1: Discard a card. If a red card is discarded this way, Chandra Ablaze deals 4 damage to any target.

-2: Each player discards their hand, then draws three cards.

-7: Cast any number of red instant and/or sorcery cards from your graveyard without paying their mana costs.

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.

Escalate {1} (Pay this cost for each mode chosen beyond the first.)

Choose one or more --

• Target player discards all the cards in their hand, then draws that many cards.

• Collective Defiance deals 4 damage to target creature.

• Collective Defiance deals 3 damage to target opponent or planeswalker.

Draw four cards, then discard three cards at random.

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

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

First strike

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

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.

When Forge Devil enters the battlefield, it deals 1 damage to target creature and 1 damage to you.

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

When Gang of Devils dies, it deals 3 damage divided as you choose among one, two, or three targets.

{T}: Add {C}.

{2}, {T}: Each player draws a card, then discards a card.

When Gibbering Fiend enters the battlefield, it deals 1 damage to each opponent.

Delirium -- At the beginning of each opponent's upkeep, if there are four or more card types among cards in your graveyard, Gibbering Fiend deals 1 damage to that player.

Haste

Whenever you discard a card, Glint-Horn Buccaneer deals 1 damage to each opponent.

{1}{R}, Discard a card: Draw a card. Activate only if Glint-Horn Buccaneer is attacking.

Draw four cards, then discard three cards at random.

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

Whenever you sacrifice a permanent, Havoc Jester deals 1 damage to any target.

{2}{R}: Target creature attacks this turn if able.

Haste

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

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

{1}, Sacrifice another creature: Put a +1/+1 counter on Hobblefiend.

Trample, haste

When Impetuous Devils attacks, up to one target creature defending player controls blocks it this combat if able.

At the beginning of the end step, sacrifice Impetuous Devils.

Choose two --

• Incendiary Command deals 4 damage to target player or planeswalker.

• Incendiary Command deals 2 damage to each creature.

• Destroy target nonbasic land.

• Each player discards all the cards in their hand, then draws that many cards.

For each player, choose friend or foe. Each friend discards all cards from their hand, then draws that many cards plus one. Khorvath's Fury deals damage to each foe equal to the number of cards in their hand.

{1}{R}, {T}, Sacrifice Magus of the Wheel: Each player discards their hand, then draws seven cards.

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 an opponent draws a card, you may pay {1}. If you do, draw a card.

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

Each player discards their hand, then draws seven cards.

Miracle {1}{R} (You may cast this card for its miracle cost when you draw it if it's the first card you drew this turn.)

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

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

• Target creature can't block this turn.

Trample

When Rowdy Crew enters the battlefield, draw three cards, then discard two cards at random. If two cards that share a card type are discarded this way, put two +1/+1 counters on Rowdy Crew.

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

When Scourge Devil enters the battlefield, creatures you control get +1/+0 until end of turn.

Unearth {2}{R} ({2}{R}: Return this card from your graveyard to the battlefield. It gains haste. Exile it at the beginning of the next end step or if it would leave the battlefield. Unearth only as a sorcery.)

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.

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.

When Tibalt's Rager dies, it deals 1 damage to any target.

{1}{R}: Tibalt's Rager gets +2/+0 until end of turn.

Your opponents can't gain life.

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

+1: Draw a card, then discard a card at random.

-4: Tibalt, the Fiend-Blooded deals damage equal to the number of cards in target player's hand to that player.

-6: Gain control of all creatures until end of turn. Untap them. They gain haste until end of turn.

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

Put any number of cards from your hand on the bottom of your library, then draw that many cards plus one.

Valakut Stoneforge enters the battlefield tapped.

{T}: Add {R}.

Landfall -- Whenever a land enters the battlefield under your control, exile the top card of your library. You may play that card for as long as it remains exiled.

At the beginning of your end step, if there are cards exiled with Valakut Exploration, put them into their owner's graveyard, then Valakut Exploration deals that much damage to each opponent.

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}.

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.

Suspend 4--{1}{R} (Rather than cast this card from your hand, pay {1}{R} and exile it with four time counters on it. At the beginning of your upkeep, remove a time counter. When the last is removed, you may cast it without paying its mana cost.)

Each player discards their hand, then draws seven cards.

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.

Whenever an opponent draws their first card each turn, if it's not their turn, you create a 1/1 red Devil creature token with "When this creature dies, it deals 1 damage to any target."

Whenever one or more Devils you control attack one or more players, you and those players each draw a card, then discard a card at random.