Each opponent faces a villainous choice — They exile cards from the top of their library until they exile a nonland card, then you may cast that card without paying its mana cost, or that player exiles the top four cards of their library and Ensnared by the Mara deals damage equal to the total mana value of those exiled cards to that player.

When Fiery Inscription enters the battlefield, the Ring tempts you. Whenever you cast an instant or sorcery spell, Fiery Inscription deals 2 damage to each opponent.

When you cast this spell, copy it for each time you've cast your commander from the command zone this game. You may choose new targets for the copies. Create a token that's a copy of target artifact.

For each opponent, you create a token that's a copy of up to one target creature that player controls.

Casualty 3 (As you cast this spell, you may sacrifice a creature with power 3 or greater. When you do, copy this spell and you may choose a new target for the copy.) Exile target instant or sorcery card from an opponent's graveyard. Copy that card. You may cast the copy without paying its mana cost.

Demonstrate (When you cast this spell, you may copy it. If you do, choose an opponent to also copy it. Players may choose new targets for their copies.) Create a token that's a copy of target permanent you control.

Exile the top eight cards of your library. You may put a land card from among them onto the battlefield. Until end of turn, for each nonland card type, you may cast a spell of that type from among the exiled cards without paying its mana cost.

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

Demonstrate (When you cast this spell, you may copy it. If you do, choose an opponent to also copy it.) Shuffle your library, then reveal cards from the top of it until you reveal a nonland card. Exile that card and put the rest on the bottom of your library in a random order. You may cast the exiled card without paying its mana cost.

Shuffle your library. As many times as you choose, you may exile the top card of your library. If the total mana value of the cards exiled this way is 13 or less, you may cast any number of spells from among those cards without paying their mana costs.

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.

Look at the top X cards of your library. Put one of them into your hand and the rest on the bottom of your library in any order. Flashback—{1}{U}, Exile X blue cards from your graveyard. (You may cast this card from your graveyard for its flashback cost, then exile it. You can't exile Flash of Insight to pay for its own flashback cost.)

Discover 10. If the discovered card's mana value is less than 10, create a number of tapped Treasure tokens equal to the difference. (To discover 10, exile cards from the top of your library until you exile a nonland card with mana value 10 or less. Cast it without paying its mana cost or put it into your hand. Put the rest on the bottom in a random order.)

Exile the top three cards of your library. Until the end of your next turn, you may play those cards. Create three Treasure tokens. (They're artifacts with "{T}, Sacrifice this artifact: Add one mana of any color.")

Draw three cards. Islandcycling {1} ({1}, Discard this card: Search your library for an Island card, reveal it, put it into your hand, then shuffle.)

If X is 1, scry 1, then draw a card. If X is 2, you may choose a player. They return a creature they control to its owner's hand. If X is 3, create a 4/4 blue and red Elemental creature token. If X is 4 or more, do all of the above.

Exile the top X cards of your library. You may cast an instant or sorcery spell with mana value X or less from among them without paying its mana cost. Then put the exiled instant and sorcery cards that weren't cast this way into your hand and the rest on the bottom of your library in a random order.

Draw a card. Scry 2.

{T}: Add {C}. {U/R}, {T}: Add {U}{U}, {U}{R}, or {R}{R}.

Castle Embereth enters the battlefield tapped unless you control a Mountain. {T}: Add {R}. {1}{R}{R}, {T}: Creatures you control get +1/+0 until end of turn.

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

{T}: Add one mana of any color that a land an opponent controls could produce.

{T}, Sacrifice Fabled Passage: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle. Then if you control four or more lands, untap that land.

{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.

({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 the battlefield tapped. When Izzet Boilerworks enters the battlefield, return a land you control to its owner's hand. {T}: Add {U}{R}.

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

{T}: Add {C}. {1}, {T}: Put a storage counter on Mage-Ring Network. {T}, Remove any number of storage counters from Mage-Ring Network: Add {C} for each storage counter removed this way.

{T}: Add {C}. {1}: Mishra's Factory becomes a 2/2 Assembly-Worker artifact creature until end of turn. It's still a land. {T}: Target Assembly-Worker creature gets +1/+1 until end of turn.

({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.

({T}: Add {U}.) Mystic Sanctuary enters the battlefield tapped unless you control three or more other Islands. When Mystic Sanctuary enters the battlefield untapped, you may put target instant or sorcery card from your graveyard on top of your library.

Restless Spire enters the battlefield tapped. {T}: Add {U} or {R}. {U}{R}: Until end of turn, Restless Spire becomes a 2/1 blue and red Elemental creature with "As long as it's your turn, this creature has first strike." It's still a land. Whenever Restless Spire attacks, scry 1.

{T}: Add {C}. {T}: Add {U} or {R}. Shivan Reef deals 1 damage to you.

Stormcarved Coast enters the battlefield tapped unless you control two or more other lands. {T}: Add {U} or {R}.

Sulfur Falls enters the battlefield tapped unless you control an Island or a Mountain. {T}: Add {U} or {R}.

{T}: Add {C}{C}. Activate only if you control five or more lands.

({T}: Add {U} or {R}.) Thundering Falls enters the battlefield tapped. When Thundering Falls enters the battlefield, surveil 1. (Look at the top card of your library. You may put it into your graveyard.)

{U}, Sacrifice Aether Spellbomb: Return target creature to its owner's hand. {1}, Sacrifice Aether Spellbomb: Draw a card.

Gain control of target spell. You may choose new targets for it. (If that spell becomes a permanent, it enters the battlefield under your control.)

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.

As an additional cost to cast this spell, you may exile any number of blue cards from your hand. This spell costs {2} less to cast for each card exiled this way. Up to X target creatures phase out. (While they're phased out, they're treated as though they don't exist. Each one phases in before its controller untaps during their next untap step.)

You may exile a blue card from your hand rather than pay this spell's mana cost. Change the target of target spell with a single target.

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

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

{T}: Add one mana of any color. {T}: Put a charge counter on Coalition Relic. At the beginning of your precombat main phase, remove all charge counters from Coalition Relic. Add one mana of any color for each charge counter removed this way.

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

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

{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.

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

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

Exile target instant or sorcery card from a graveyard. Copy that card three times. You may cast the copies without paying their mana costs. Exile Mnemonic Deluge.

Return target instant or sorcery card from your graveyard to your hand. Flashback {2}{R} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Exile target instant or sorcery card from your graveyard and target instant or sorcery card from an opponent's graveyard. Copy those cards. Cast the copies if able without paying their mana costs. Exile Spelltwine.

Exile target instant or sorcery card from your graveyard. Creatures you control get +X/+0 until end of turn, where X is that card's mana value. Whenever a creature you control deals combat damage to a player this turn, copy the exiled card. You may cast the copy without paying its mana cost.

Return six target nonland permanents to their owners' hands.

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.

Choose three. You may choose the same mode more than once. • Counter target spell unless its controller pays {3}. • Return target creature to its owner's hand. • Draw a card.

Return target spell or nonland permanent an opponent controls to its owner's hand. You may cast an instant or sorcery spell with equal or lesser mana value from your hand without paying its mana cost.

Choose two — • Prismari Command deals 2 damage to any target. • Target player draws two cards, then discards two cards. • Target player creates a Treasure token. • Destroy target artifact.

Return all nonland permanents target player controls to their owner's hand.

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

Return target creature to its owner's hand. You create a token that's a copy of that creature.

This spell costs {X} less to cast, where X is the total power of creatures you control. Volcanic Salvo deals 6 damage to each of up to two target creatures and/or planeswalkers.

Create two 4/4 blue and red Elemental creature tokens. {U/R}{U/R}, Discard Elemental Masterpiece: Create a Treasure token. (It's an artifact with "{T}, Sacrifice this artifact: Add one mana of any color.")

Each player reveals the top card of their library. For each creature card revealed this way, create a token that's a copy of that card, except it's 1/1, it's a Spirit in addition to its other types, and it has flying. If no creature cards were revealed this way, return Haunting Imitation to its owner's hand.

Amass Orcs X. Mill X cards. You may cast an instant or sorcery spell with mana value X or less from among them without paying its mana cost. (To amass Orcs X, put X +1/+1 counters on an Army you control. It's also an Orc. If you don't control an Army, create a 0/0 black Orc Army creature token first.) Flashback—{3}{U}{R}, Exile X cards from your graveyard.

This spell costs {1} less to cast for each creature on the battlefield. Blasphemous Act deals 13 damage to each creature.

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.")

Flying