{3}{R}{R}: Untap all creatures you control. After this main phase, there is an additional combat phase followed by an additional main phase. Activate only as a sorcery.

Each player sacrifices all permanents they control that are one or more colors.

{T}: Add {C}{C}. Ancient Tomb deals 2 damage to you.

{T}: Add {C}.

Basic landcycling {1} ({1}, Discard this card: Search your library for a basic land card, reveal it, put it into your hand, then shuffle.)

Target creature gains double strike until end of turn. (It deals both first-strike and regular combat damage.)

Whenever you cast a spell, add {R}. Until end of turn, you don't lose this mana as steps and phases end.

Creatures you control can boast twice during each of your turns rather than once.

Discard a card: Exile the top two cards of your library. You may play those cards this turn.

This spell costs {3} less to cast if you control a creature with power 4 or greater.

Change the target of target spell or ability with a single target.

Partner with Shabraz, the Skyshark (When this creature enters the battlefield, target player may put Shabraz into their hand from their library, then shuffle.)

Whenever you discard a card, put a +1/+1 counter on Brallin, Skyshark Rider and it deals 1 damage to each opponent.

{R}: Target Shark gains trample until end of turn.

Gain control of all permanents you own. (This effect lasts indefinitely.)

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

Haste

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

Whenever you sacrifice a Treasure, Captain Lannery Storm gets +1/+0 until end of turn.

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.

Imprint -- When Chrome Mox enters the battlefield, you may exile a nonartifact, nonland card from your hand.

{T}: Add one mana of any of the exiled card's colors.

Whenever Conspiracy Theorist attacks, you may pay {1} and discard a card. If you do, draw a card.

Whenever you discard one or more nonland cards, you may exile one of them from your graveyard. If you do, you may cast it this turn.

Target creature gains double strike until end of turn.

When you roll a natural 20, return Critical Hit from your graveyard to your hand. (A natural 20 is a roll that displays 20 on the die.)

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.

Add {R}{R}{R}.

Splice onto Arcane {1}{R} (As you cast an Arcane spell, you may reveal this card from your hand and pay its splice cost. If you do, add this card's effects to that spell.)

First strike

When Dire Fleet Daredevil enters the battlefield, exile target instant or sorcery card from an opponent's graveyard. You may cast it this turn, and mana of any type can be spent to cast that spell. If that spell would be put into a graveyard, exile it instead.

When Dockside Extortionist enters the battlefield, create X Treasure tokens, where X is the number of artifacts and enchantments your opponents control. (Treasure tokens are artifacts with "{T}, Sacrifice this artifact: Add one mana of any color.")

Flash

When Dueling Rapier enters the battlefield, attach it to target creature you control.

Equipped creature gets +2/+0.

Equip {4} ({4}: Attach to target creature you control. Equip only as a sorcery.)

Dwarven Ruins enters the battlefield tapped.

{T}: Add {R}.

{T}, Sacrifice Dwarven Ruins: Add {R}{R}.

{2}, {T}, Sacrifice Expedition Map: Search your library for a land card, reveal it, put it into your hand, then shuffle.

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.)

Take an extra turn after this one. At the beginning of that turn's end step, you lose the game.

Forgotten Cave enters the battlefield tapped.

{T}: Add {R}.

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

Copy target instant or sorcery spell, except that the copy is red. You may choose new targets for the copy.

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

{T}, Sacrifice Generator Servant: Add {C}{C}. If that mana is spent on a creature spell, it gains haste until end of turn. (That creature can attack and {T} as soon as it comes under your control.)

{T}: Add {C}.

{0}: Return Ghost Town to its owner's hand. Activate only if it's not your turn.

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.

Grim Monolith doesn't untap during your untap step.

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

{4}: Untap Grim Monolith.

Hall of the Bandit Lord enters the battlefield tapped.

{T}, Pay 3 life: Add {C}. If that mana is spent on a creature spell, it gains haste.

{T}: Add {C}.

{R}, {T}: Target creature gains haste until end of turn.

{3}{R}{R}, {T}: If you both own and control Hanweir Battlements and a creature named Hanweir Garrison, exile them, then meld them into Hanweir, the Writhing Township.

{T}: Add {C}.

{T}: Each player gains control of all creatures they own.

When Imperial Recruiter enters the battlefield, search your library for a creature card with power 2 or less, reveal it, put it into your hand, then shuffle.

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.

Jeska, Thrice Reborn enters the battlefield with a loyalty counter on her for each time you've cast a commander from the command zone this game.

0: Choose target creature. Until your next turn, if that creature would deal combat damage to one of your opponents, it deals triple that damage to that player instead.

-X: Jeska, Thrice Reborn deals X damage to each of up to three targets.

Jeska, Thrice Reborn can be your commander.

Partner

{T}, Sacrifice Jeweled Lotus: Add three mana of any one color. Spend this mana only to cast your commander.

Whenever a commander you control deals combat damage to an opponent, it deals that much damage to each other opponent.

Partner (You can have two commanders if both have partner.)

{T}, Discard a card: Up to one target creature can't be blocked this turn.

Whenever Key to the City becomes untapped, you may pay {2}. If you do, draw a card.

Haste

Whenever Laelia, the Blade Reforged attacks, exile the top card of your library. You may play that card this turn.

Whenever one or more cards are put into exile from your library and/or your graveyard, put a +1/+1 counter on Laelia.

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.

{T}, Sacrifice Lotus Petal: Add one mana of any color.

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

Draw two cards.

At the beginning of your upkeep, flip a coin. If you lose the flip, Mana Crypt deals 3 damage to you.

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

Mana Vault doesn't untap during your untap step.

At the beginning of your upkeep, you may pay {4}. If you do, untap Mana Vault.

At the beginning of your draw step, if Mana Vault is tapped, it deals 1 damage to you.

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

{T}, Sacrifice Memory Jar: Each player exiles all cards from their hand face down and draws seven cards. At the beginning of the next end step, each player discards their hand and returns to their hand each card they exiled this way.

({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}.)

Trample

Whenever Neheb, Dreadhorde Champion deals combat damage to a player or planeswalker, you may discard any number of cards. If you do, draw that many cards and add that much {R}. Until end of turn, you don't lose this mana as steps and phases end.

Equipped creature gets +2/+1 and has haste.

Whenever a Warrior creature enters the battlefield, you may attach Obsidian Battle-Axe to it.

Equip {3}

Choose one --

• Add two mana of any one color and two mana of any other color. Spend this mana only to cast creature or enchantment spells.

• Creatures you control get +1/+0 until end of turn.

{T}, Sacrifice Panic Spellbomb: Target creature can't block this turn.

When Panic Spellbomb is put into a graveyard from the battlefield, you may pay {R}. If you do, draw a card.

{T}, Pay 1 life, Sacrifice Prismatic Vista: Search your library for a basic land card, put it onto the battlefield, then shuffle.

Add {R}{R}{R}.

Whenever Ragavan, Nimble Pilferer deals combat damage to a player, create a Treasure token and exile the top card of that player's library. Until end of turn, you may cast that card.

Dash {1}{R} (You may cast this spell for its dash cost. If you do, it gains haste, and it's returned from the battlefield to its owner's hand at the beginning of the next end step.)

Target creature gains double strike until end of turn.

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

Target sorcery card in your graveyard gains flashback until end of turn. The flashback cost is equal to its mana cost. (Mana cost includes color.)

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

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.)

Untap all creatures that attacked this turn. After this main phase, there is an additional combat phase followed by an additional main phase.

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

Add {R}{R}, then add {R} for each card named Rite of Flame in each graveyard.

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

Flying

{5}{R}, Exile Runehorn Hellkite from your graveyard: Each player discards their hand, then draws seven cards.

Cast this spell only during your turn and only during combat.

Choose one --

• Creatures you control gain double strike until end of turn.

• Untap all creatures you control. After this phase, there is an additional combat phase.

Entwine {1}{R} (Choose both if you pay the entwine cost.)

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

Untap target creature. After this main phase, there is an additional combat phase followed by an additional main phase.

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

{1}: Look at the top three cards of your library, then put them back in any order.

{T}: Draw a card, then put Sensei's Divining Top on top of its owner's library.

{T}: Add {R}.

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

Smoldering Spires enters the battlefield tapped.

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

{T}: Add {R}.

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

{T}: Add {C}.

{T}, Sacrifice Strip Mine: Destroy target land.

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.

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

Equip {1}

Target creature gains double strike until end of turn.

Ferocious -- That creature also gains trample until end of turn if you control a creature with power 4 or greater.

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.

Double the power of target creature until end of turn.

{1}{R}, Sacrifice Vessel of Volatility: Add {R}{R}{R}{R}.

{T}: Add {C}.

{3}, {T}, Pay life equal to the number of colors in your commanders' color identity: Draw a card.

{T}: Add {C}.

{T}, Sacrifice Wasteland: Destroy target nonbasic land.

Each player discards their hand, then draws seven cards.

Each player shuffles the cards from their hand into their library, then draws that many cards.

After the first postcombat main phase this turn, there's an additional combat phase followed by an additional main phase. At the beginning of that combat, untap all creatures that attacked this turn.

Rebound (If you cast this spell from your hand, exile it as it resolves. At the beginning of your next upkeep, you may cast this card from exile without paying its mana cost.)