Whenever you cast a spell, you gain 1 life for each spell you've cast this turn.

Pay 50 life: Aetherflux Reservoir deals 50 damage to any target.

{T}: Add one mana of any color in your commander's color identity.

Magecraft -- Whenever you cast or copy an instant or sorcery spell, draw a card.

When Aria of Flame enters the battlefield, each opponent gains 10 life.

Whenever you cast an instant or sorcery spell, put a verse counter on Aria of Flame, then it deals damage equal to the number of verse counters on it to target player or planeswalker.

Instant and sorcery spells you cast cost {1} less to cast.

Whenever a spell or ability you control counters a spell, you may draw a card. If you do, discard a card.

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.

Until end of turn, whenever a player casts an instant or sorcery spell, that player copies it and may choose new targets for the copy.

Draw three cards, then put two cards from your hand on top of your library in any order.

Creatures you control gain haste until end of turn. (They can attack and {T} even if they just came under your control.)

Caldera Lake enters the battlefield tapped.

{T}: Add {C}.

{T}: Add {U} or {R}. Caldera Lake deals 1 damage to you.

Castle Vantress enters the battlefield tapped unless you control an Island.

{T}: Add {U}.

{2}{U}{U}, {T}: Scry 2.

As an additional cost to cast this spell, discard two cards.

Draw three cards.

Draw two cards. Then discard a card unless you attacked this turn.

Target creature gains flying until end of turn.

Draw a card.

Coldsteel Heart enters the battlefield tapped.

As Coldsteel Heart enters the battlefield, choose a color.

{T}: Add one mana of the chosen color.

Creatures you control gain trample until end of turn. (A creature with trample can deal excess combat damage to the player or planeswalker it's attacking.)

Draw a card.

{T}: Add {C}. Spend this mana only to cast an instant or sorcery spell.

At the beginning of your upkeep, if there are three or more instant and/or sorcery cards in your graveyard, transform Curious Homunculus.

Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.)

Instant and sorcery spells you cast cost {1} less to cast.

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.)

Each player shuffles their hand and graveyard into their library. You exile the top ten cards of your library. Then each player draws up to seven cards.

Defender (This creature can't attack.)

Flying

Transmute {1}{U}{U} ({1}{U}{U}, Discard this card: Search your library for a card with the same mana value as this card, reveal it, put it into your hand, then shuffle. Transmute only as a sorcery.)

Create two 1/1 red Goblin creature tokens.

Storm (When you cast this spell, copy it for each spell cast before it this turn.)

{T}, Sacrifice Evolving Wilds: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle.

Look at the top three cards of your library. Put one of them into your hand, put one of them on the bottom of your library, and exile one of them. You may play the exiled card this turn.

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.)

You may cast up to one target instant card and/or up to one target sorcery card from your graveyard each with mana value X or less without paying their mana costs. If a spell cast this way would be put into your graveyard, exile it instead. If X is 10 or more, copy each of those spells twice. You may choose new targets for the copies.

Draw two cards, then discard two cards. Untap up to three lands.

({U/P} can be paid with either {U} or 2 life.)

Look at target player's hand.

Draw a card.

Instant and sorcery spells you cast cost {1} less to cast.

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

Highland Lake enters the battlefield tapped.

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

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

Izzet Boilerworks enters tapped.

When Izzet Boilerworks enters, return a land you control to its owner's hand.

{T}: Add {U}{R}.

Izzet Guildgate enters the battlefield tapped.

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

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

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.

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

Kazuul's Fury deals damage equal to the sacrificed creature's power to any target.

Kazuul's Cliffs enters the battlefield tapped.

{T}: Add {R}.

Whenever you cast an instant or sorcery spell, flip a coin. If you lose the flip, return that spell to its owner's hand. If you win the flip, copy that spell, and you may choose new targets for the copy.

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

Target creature gains flying until end of turn.

Draw a card.

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

Draw two cards.

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

Surveil 2, then choose an instant or sorcery card in your graveyard. You may cast it this turn. If that spell would be put into your graveyard, exile it instead. (To surveil 2, look at the top two cards of your library, then put any number of them into your graveyard and the rest on top of your library in any order.)

Exile target card that's an instant or sorcery from your graveyard. For each card exiled this way, copy it, and you may cast the copy without paying its mana cost. Exile Mizzix's Mastery.

Overload {5}{R}{R}{R} (You may cast this spell for its overload cost. If you do, change "target" in its text to "each.")

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

This spell can't be countered.

Flying

Whenever you draw a card, Niv-Mizzet, Parun deals 1 damage to any target.

Whenever a player casts an instant or sorcery spell, you draw a card.

Scry 1.

Draw a card.

Each instant and sorcery card in your graveyard gains flashback until end of turn. The flashback cost is equal to its mana cost.

Flashback {4}{R} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Path of Ancestry enters 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.)

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

Draw two cards and create two Treasure tokens. (They're artifacts with "{T}, Sacrifice this artifact: Add one mana of any color.")

Look at the top three cards of your library, then put them back in any order. You may shuffle.

Draw a card.

Scry 2, then draw a card. (To scry 2, look at the top two cards of your library, then put any number of them on the bottom and the rest on top in any order.)

Prismari Campus enters the battlefield tapped.

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

{4}, {T}: Scry 1.

Add {R}{R}{R}.

Exile target artifact or creature. Its controller creates a 4/4 blue and red Elemental creature token.

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

Whenever you cast a noncreature spell, create a 1/1 colorless Servo artifact creature token.

-2: Target artifact you control becomes a copy of another target artifact or creature you control until end of turn, except it's an artifact in addition to its other types.

{T}: Add {C}.

{2}, {T}, Sacrifice a Desert: Exile all graveyards.

Draw two cards, then shuffle a card from your hand into your library.

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

Whenever an instant or sorcery spell is cast during your turn, Sentinel Tower deals damage to any target equal to 1 plus the number of instant and sorcery spells cast before that spell this turn.

Draw a card. Scry 2.

Target creature gains shadow until end of turn. (It can block or be blocked by only creatures with shadow.)

Draw a card.

Look at the top six cards of your library. You may reveal an instant or sorcery card from among them and put it into your hand. Put the rest on the bottom of your library in a random order.

Silundi Isle enters the battlefield tapped.

{T}: Add {U}.

Look at the top two cards of your library. Put one of them into your hand and the other on the bottom of your library.

Devoid (This card has no color.)

Target creature can't be blocked this turn.

Draw a card.

Return target creature to its owner's hand. Untap up to two lands.

Search your library for an instant or sorcery card, reveal it, put it into your hand, then shuffle.

Star Compass enters tapped.

{T}: Add one mana of any color that a basic land you control could produce.

Storm-Kiln Artist gets +1/+0 for each artifact you control.

Magecraft -- Whenever you cast or copy an instant or sorcery spell, create a Treasure token.

Swiftwater Cliffs enters tapped.

When Swiftwater Cliffs enters, you gain 1 life.

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

{T}: Add {C}.

{T}: Add {U} or {R}. Talisman of Creativity deals 1 damage to you.

Whenever you cast an instant or sorcery spell, create a 2/2 blue Drake creature token with flying.

Temple of Epiphany enters tapped.

When Temple of Epiphany enters, scry 1.

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

{T}, Sacrifice Terramorphic Expanse: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle.

Whenever you cast an instant or sorcery spell, copy it for each other instant and sorcery spell you've cast before it this turn. You may choose new targets for the copies.

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

Draw two cards.

Thriving Bluff enters tapped. As it enters, choose a color other than red.

{T}: Add {R} or one mana of the chosen color.

Thriving Isle enters tapped. As it enters, choose a color other than blue.

{T}: Add {U} or one mana of the chosen color.

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

Draw two cards.

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}.

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.")

Magecraft -- Whenever you cast or copy an instant or sorcery spell, Veyran, Voice of Duality gets +1/+1 until end of turn.

If you casting or copying an instant or sorcery spell causes a triggered ability of a permanent you control to trigger, that ability triggers an additional time.

({T}: Add {U} or {R}.)

Volatile Fjord enters the battlefield tapped.

Wandering Fumarole enters the battlefield tapped.

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

{2}{U}{R}: Until end of turn, Wandering Fumarole becomes a 1/4 blue and red Elemental creature with "{0}: Switch this creature's power and toughness until end of turn." It's still a land.

Each player secretly chooses a number 0 or greater, then all players reveal those numbers simultaneously and determine the highest and lowest numbers revealed this way. Wheel of Misfortune deals damage equal to the highest number to each player who chose that number. Each player who didn't choose the lowest number discards their hand, then draws seven cards.

Each player discards their hand, then draws cards equal to the greatest number of cards a player discarded this way.

Whenever you cast an instant or sorcery spell, create a 1/1 red Elemental creature token.