Acidic Soil deals damage to each player equal to the number of lands they control.

Flying

Whenever Backdraft Hellkite attacks, each instant and sorcery card in your graveyard gains flashback until end of turn. The flashback cost is equal to its mana cost.

Equipped creature has deathtouch and lifelink.

Equip {2}

Equipped creature has haste.

Whenever an ability of equipped creature is activated, if it isn't a mana ability, you may pay {1}. If you do, copy that ability. You may choose new targets for the copy.

Equip {2}

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

When Beetleback Chief enters the battlefield, create two 1/1 red Goblin creature tokens.

Equipped creature gets +1/+0 for each opponent you have.

Whenever equipped creature is dealt damage, it deals that much damage to any target.

Equip {4}

Indestructible

Whenever Brash Taunter is dealt damage, it deals that much damage to target opponent.

{2}{R}, {T}: Brash Taunter fights another target creature.

{T}: Add {C}.

{2}, {T}, Sacrifice Buried Ruin: Return target artifact card from your graveyard to your hand.

Target creature you control deals damage equal to its power to each other creature and each opponent.

The owner of target permanent shuffles it into their library, then reveals the top card of their library. If it's a permanent card, they put it onto the battlefield.

When Court of Ire enters the battlefield, you become the monarch.

At the beginning of your upkeep, Court of Ire deals 2 damage to any target. If you're the monarch, it deals 7 damage instead.

Goad all creatures you don't control. (Until your next turn, those creatures attack each combat if able and attack a player other than you if able.)

Flash

When Dualcaster Mage enters the battlefield, copy target instant or sorcery spell. You may choose new targets for the copy.

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

Draw two cards.

Flashback {3}{R} (You may cast this card from your graveyard for its flashback cost and any additional costs. Then exile it.)

When Emberwilde Captain enters the battlefield, you become the monarch.

Whenever an opponent attacks you while you're the monarch, Emberwilde Captain deals damage to that player equal to the number of cards in their hand.

Whenever Etali, Primal Storm attacks, exile the top card of each player's library, then you may cast any number of spells from among those cards without paying their mana costs.

When Fanatic of Mogis enters the battlefield, it deals damage to each opponent equal to your devotion to red. (Each {R} in the mana costs of permanents you control counts toward your devotion to red.)

Enchant creature

When Fatal Attraction enters the battlefield, it deals 2 damage to enchanted creature.

At the beginning of your upkeep, Fatal Attraction deals 4 damage to enchanted creature.

Equipped creature gets +2/+0 and has reach.

Whenever equipped creature is dealt damage, it deals damage equal to its power to target player or planeswalker.

Equip {2}{R}

Forgotten Cave enters the battlefield tapped.

{T}: Add {R}.

Cycling {R} ({R}, Discard this card: Draw a card.)

Haste

All creatures can attack your opponents and planeswalkers your opponents control as though those creatures had haste.

As Gauntlet of Power enters the battlefield, choose a color.

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

Whenever a basic land is tapped for mana of the chosen color, its controller adds an additional one mana of that color.

{T}: Add {C}.

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

Cumulative upkeep--Pay 2 life. (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.)

When Glacial Chasm enters the battlefield, sacrifice a land.

Creatures you control can't attack.

Prevent all damage that would be dealt to you.

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

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

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.

All creatures lose indestructible until end of turn. Hour of Devastation deals 5 damage to each creature and each non-Bolas planeswalker.

Flying, haste

When Hunted Dragon enters the battlefield, target opponent creates three 2/2 white Knight creature tokens with first strike.

Copy target instant or sorcery spell you control. If this spell was cast from a graveyard, copy that spell twice instead. You may choose new targets for the copies.

Flashback {3}{R}{R} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

{R}: Inferno Titan gets +1/+0 until end of turn.

Whenever Inferno Titan enters the battlefield or attacks, it deals 3 damage divided as you choose among one, two, or three targets.

Untap all creatures and gain control of them until end of turn. They gain haste until end of turn.

{T}: Add {C}.

{1}{R}, {T}: Create a 0/1 red Kobold creature token named Kobolds of Kher Keep.

Flying

When Knollspine Dragon enters the battlefield, you may discard your hand and draw cards equal to the damage dealt to target opponent this turn.

{T}: Create X 1/1 red Goblin creature tokens, where X is the number of Goblins you control.

Lightning Bolt deals 3 damage to any target.

Equipped creature gets +3/+0 and has trample and lifelink.

Equip {3}

Add {R} for each tapped land your opponents control.

({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}.)

({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}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

Myriad Landscape enters the battlefield tapped.

{T}: Add {C}.

{2}, {T}, Sacrifice Myriad Landscape: Search your library for up to two basic land cards that share a land type, put them onto the battlefield tapped, then shuffle.

Whenever another creature enters the battlefield under your control, that creature gets +2/+0 and gains haste until end of turn. (It can attack and {T} this turn.)

Indestructible

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

Other creatures you control have haste.

{2}{R}: You may put a red creature card or an artifact creature card from your hand onto the battlefield. Sacrifice it at the beginning of the next end step.

{T}: Add {R}. When that mana is spent to cast a red instant or sorcery spell, copy that spell and you may choose new targets for the copy.

Your opponents can't gain life.

At the beginning of your upkeep, Quakebringer deals 2 damage to each opponent. This ability triggers only if Quakebringer is on the battlefield or if Quakebringer is in your graveyard and you control a Giant.

Foretell {2}{R}{R}

Flash

When Radiant Performer enters the battlefield, if you cast it from your hand, choose target spell or ability that targets only a single permanent or player. Copy that spell or ability for each other permanent or player the spell or ability could target. Each copy targets a different one of those permanents and players.

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.)

Whenever a creature is dealt damage, Repercussion deals that much damage to that creature's controller.

Scorching Dragonfire deals 3 damage to target creature or planeswalker. If that creature or planeswalker would die this turn, exile it instead.

Add {R}{R}{R}{R}{R}.

When Siege-Gang Commander enters the battlefield, create three 1/1 red Goblin creature tokens.

{1}{R}, Sacrifice a Goblin: Siege-Gang Commander deals 2 damage to any target.

Enrage -- Whenever Silverclad Ferocidons is dealt damage, each opponent sacrifices a permanent.

Equipped creature gets +1/-1.

Whenever equipped creature dies, draw two cards.

Equip {1}

Smoldering Crater enters the battlefield tapped.

{T}: Add {R}.

Cycling {2} ({2}, Discard this card: Draw a card.)

Flying

When Spawn of Thraxes enters the battlefield, it deals damage to any target equal to the number of Mountains you control.

Hideaway 4 (When this land enters the battlefield, look at the top four cards of your library, exile one face down, then put the rest on the bottom in a random order.)

Spinerock Knoll enters the battlefield tapped.

{T}: Add {R}.

{R}, {T}: You may play the exiled card without paying its mana cost if an opponent was dealt 7 or more damage this turn.

At the beginning of your upkeep, you may return Squee, Goblin Nabob from your graveyard to your hand.

You may cast Squee, the Immortal from your graveyard or from exile.

Flying

{2}: Steel Hellkite gets +1/+0 until end of turn.

{X}: Destroy each nonland permanent with mana value X whose controller was dealt combat damage by Steel Hellkite this turn. Activate only once each turn.

Storm's Wrath deals 4 damage to each creature and each 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.

Destroy all artifacts, then Structural Assault deals damage to each creature equal to the number of artifacts that were put into graveyards from the battlefield this turn.

Indestructible

As Stuffy Doll enters the battlefield, choose a player.

Whenever Stuffy Doll is dealt damage, it deals that much damage to the chosen player.

{T}: Stuffy Doll deals 1 damage to itself.

Whenever you cast a spell from your hand, reveal the top X cards of your library, where X is that spell's mana value. You may cast a spell with mana value X or less from among cards revealed this way without paying its mana cost. Put the rest on the bottom of your library in a random order.

Trample

Whenever a creature or planeswalker an opponent controls is dealt excess noncombat damage, Toralf deals damage equal to the excess to any target other than that permanent.

Equipped creature has "{1}{R}, {T}, Unattach Toralf's Hammer: It deals 3 damage to any target. Return Toralf's Hammer to its owner's hand."

Equipped creature gets +3/+0 as long as it's legendary.

Equip {1}{R}

If a red source you control would deal damage to an opponent or a permanent an opponent controls, it deals that much damage plus 2 instead.

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.")

Destroy target nonbasic land you don't control and target nonbasic land of an opponent's choice you don't control.

Volcanic Offering deals 7 damage to target creature you don't control and 7 damage to target creature of an opponent's choice you don't control.

Whenever an opponent taps a land for mana, tap all lands that player controls.

If a creature an opponent controls attacks, all creatures that opponent controls attack if able.

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

Split second (As long as this spell is on the stack, players can't cast spells or activate abilities that aren't mana abilities.)

Untap target permanent and gain control of it until end of turn. It gains haste until end of turn.