Whenever Ashmouth Hound blocks or becomes blocked by a creature, Ashmouth Hound deals 1 damage to that creature.

Madness {X}{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.)

Avacyn's Judgment deals 2 damage divided as you choose among any number of targets. If this spell's madness cost was paid, it deals X damage divided as you choose among those permanents and/or players instead.

Target attacking creature gets +X/+0 until end of turn.

Draw a card at the beginning of the next turn's upkeep.

At the beginning of combat on your turn, you may have target creature get +2/+0 until end of turn.

Equipped creature has myriad. (Whenever it attacks, for each opponent other than defending player, you may create a token copy that's tapped and attacking that player or a planeswalker they control. Exile the tokens at end of combat.)

Equip {4}

Blazing Volley deals 1 damage to each creature your opponents control.

{1}, {T}: Blisterspit Gremlin deals 1 damage to each opponent.

Whenever you cast a noncreature spell, untap Blisterspit Gremlin.

Chained Brute doesn't untap during your untap step.

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

Whenever a source you control deals noncombat damage to an opponent, Chandra's Pyreling gets +1/+0 and gains double strike until end of turn. (It deals both first-strike and regular combat damage.)

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.

{X}{R}, {T}, Sacrifice Cinder Elemental: It deals X damage to any target.

{1}, Sacrifice a permanent: You gain 1 life.

As an additional cost to cast this spell, sacrifice a creature.

Collateral Damage deals 3 damage to any target.

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."

When you cast your next instant or sorcery spell this turn, copy that spell. You may choose new targets for the copy.

Draw a card, then each other player may draw a card. Whenever a card is drawn this way, Explosion of Riches deals 5 damage to target opponent chosen at random from among your opponents.

Draw two cards, then discard two cards.

Flashback {2}{R} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

{T}, Exile Feldon's Cane: Shuffle your graveyard into your library.

Flying

Whenever a source an opponent controls deals damage to you or a permanent you control, you may have Flameblade Angel deal 1 damage to that source's controller.

Ghired's Belligerence deals X damage divided as you choose among any number of target creatures. Whenever a creature dealt damage this way dies this turn, populate. (Create a token that's a copy of a creature token you control.)

Whenever you cast an instant or sorcery spell, Guttersnipe deals 2 damage to each opponent.

When Haphazard Bombardment enters the battlefield, choose four nonenchantment permanents you don't control and put an aim counter on each of them.

At the beginning of your end step, if two or more permanents you don't control have an aim counter on them, destroy one of those permanents at random.

Choose up to two target creatures you don't control. For each of those creatures, create a token that's a copy of that creature. Those tokens gain haste. Exile them at the beginning of the next end step.

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

As an additional cost to cast this spell, sacrifice a creature or planeswalker.

Heartfire deals 4 damage to any target.

Flying

When Hoarding Dragon enters the battlefield, you may search your library for an artifact card, exile it, then shuffle.

When Hoarding Dragon dies, you may put the exiled card into its owner's hand.

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.

Immolating Gyre deals X damage to each creature and planeswalker you don't control, where X is the number of instant and sorcery cards in your graveyard.

(You may cast a legendary sorcery only if you control a legendary creature or planeswalker.)

Jaya's Immolating Inferno deals X damage to each of up to three targets.

You have no maximum hand size.

If an effect causes you to discard a card, discard it, but you may put it on top of your library instead of into your graveyard.

Magmaquake deals X damage to each creature without flying and each planeswalker.

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."

{1}, Sacrifice an artifact or creature: Makeshift Munitions deals 1 damage to any target.

Imprint -- Whenever a nontoken creature dies, you may exile that card. If you do, return each other card exiled with Mimic Vat to its owner's graveyard.

{3}, {T}: Create a token that's a copy of a card exiled with Mimic Vat. It gains haste. Exile it at the beginning of the next end step.

{T}: Add {C}.

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

If an opponent controls an Island and you control a Mountain, you may cast this spell without paying its mana cost.

Destroy target artifact.

({T}: Add {R}.)

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({T}: Add {R}.)

{1}{R}{R}: Put a blaze counter on target land without a blaze counter on it. For as long as that land has a blaze counter on it, it has "At the beginning of your upkeep, this land deals 1 damage to you." (The land continues to burn after Obsidian Fireheart has left the battlefield.)

Outnumber deals damage to target creature equal to the number of creatures you control.

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

• Khans -- At the beginning of your upkeep, exile the top card of your library. Until end of turn, you may play that card.

• Dragons -- Whenever a creature you control leaves the battlefield, Outpost Siege deals 1 damage to any target.

{T}: Target creature with power 2 or less can't be blocked this turn.

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.

Creatures you control have double strike.

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

Flying

Dethrone (Whenever this creature attacks the player with the most life or tied for most life, put a +1/+1 counter on it.)

Whenever Scourge of the Throne attacks for the first time each turn, if it's attacking the player with the most life or tied for most life, untap all attacking creatures. After this phase, there is an additional combat phase.

Enchant creature

Enchanted creature gets +2/+2 and is goaded. (It attacks each combat if able and attacks a player other than you if able.)

Whenever enchanted creature attacks, you create a Treasure token. (It's an artifact with "{T}, Sacrifice this artifact: Add one mana of any color.")

Shock deals 2 damage to any target.

Smoldering Spires enters the battlefield tapped.

When Smoldering Spires enters the battlefield, target creature can't block this turn.

{T}: Add {R}.

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.

Spitting Earth deals damage to target creature equal to the number of Mountains you control.

Haste

{1}: Another target creature with power 2 or less can't be blocked this turn.

{1}{R}, {T}, Discard your hand: Until end of turn, whenever a creature you control with power 2 or less deals combat damage to a player, draw a card.

Choose a color. Sudden Demise deals X damage to each creature of the chosen color.

Whenever you discard a creature card, put a +1/+1 counter on Surly Badgersaur.

Whenever you discard a land card, create a Treasure token. (It's an artifact with "{T}, Sacrifice this artifact: Add one mana of any color.")

Whenever you discard a noncreature, nonland card, Surly Badgersaur fights up to one target creature you don't control.

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

I -- Gain control of target creature for as long as The Akroan War remains on the battlefield.

II -- Until your next turn, creatures your opponents control attack each combat if able.

III -- Each tapped creature deals damage to itself equal to its power.

Defender

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

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

As an additional cost to cast this spell, discard a card.

Draw two cards.

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."

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

Equipped creature has nonbasic landwalk. (It can't be blocked as long as defending player controls a nonbasic land.)

Equip {2}

Gain control of target creature until end of turn. Untap that creature. It gains haste until end of turn. Add two mana of any one color. (The creature can attack and {T} this turn.)

{1}, Sacrifice Traveler's Amulet: Search your library for a basic land card, reveal it, put it into your hand, then shuffle.

When you cast this spell, destroy target permanent.

Indestructible

Annihilator 4 (Whenever this creature attacks, defending player sacrifices four permanents.)

When Ulamog, the Infinite Gyre is put into a graveyard from anywhere, its owner shuffles their graveyard into their library.

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

This spell can't be countered.

Volcanic Fallout deals 2 damage to each creature and each player.

Volcanic Geyser deals X damage to any target.

{2}, Sacrifice a creature: Weaponize the Monsters deals 2 damage to any target.

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.