{T}: Add {C}.

{T}: Add {W} or {U}. Adarkar Wastes deals 1 damage to you.

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

{1}, Sacrifice Aether Spellbomb: Draw a card.

Counter target spell. Its controller may draw up to two cards at the beginning of the next turn's upkeep.

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

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

{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.)

Azorius Chancery enters the battlefield tapped.

When Azorius Chancery enters the battlefield, return a land you control to its owner's hand.

{T}: Add {W}{U}.

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

Blast Zone enters the battlefield with a charge counter on it.

{T}: Add {C}.

{X}{X}, {T}: Put X charge counters on Blast Zone.

{3}, {T}, Sacrifice Blast Zone: Destroy each nonland permanent with mana value equal to the number of charge counters on Blast Zone.

Choose one --

• Boros Charm deals 4 damage to target player or planeswalker.

• Permanents you control gain indestructible until end of turn.

• Target creature gains double strike until end of turn.

Cumulative upkeep--Add {R}. (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.)

{T}: Add {C}.

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

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

{T}: Add {U}.

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

Return target nonland permanent to its owner's hand. Then that permanent's controller may sacrifice a land. If the player does, they may copy this spell and may choose a new target for that copy.

Lands you control have "{T}: Add one mana of any color."

{T}: Add one mana of any color.

As Cloud Key enters the battlefield, choose artifact, creature, enchantment, instant, or sorcery.

Spells you cast of the chosen type cost {1} less to cast.

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

Equipped creature gets +1/+1 for each color among permanents you control.

As long as Conqueror's Flail is attached to a creature, your opponents can't cast spells during your turn.

Equip {2}

Counter target spell.

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.

Counter target instant spell.

Each player chooses a creature they control. Destroy the rest.

Flashback {5}{W}{W} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Target creature gets -3/-0 until end of turn.

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.)

This spell can't be countered.

Counter target noncreature spell.

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

You may look at the top card of your library any time.

You may cast noncreature spells from the top of your library. If you cast a spell this way, you may cast it as though it had flash.

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

Copy target instant or sorcery spell with mana value 4 or less. You may choose new targets for the copy.

---

Explosion deals X damage to any target. Target player draws X cards.

Search your library for an artifact card, reveal it, put it into your hand, then shuffle.

Reveal the top five cards of your library. An opponent separates those cards into two piles. Put one pile into your hand and the other into your graveyard.

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

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

If you control a commander, you may cast this spell without paying its mana cost.

Counter target noncreature spell.

Flood Plain enters the battlefield tapped.

{T}, Sacrifice Flood Plain: Search your library for a Plains or Island card, put it onto the battlefield, then shuffle.

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

Glacial Fortress enters the battlefield tapped unless you control a Plains or an Island.

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

Grapeshot deals 1 damage to any target.

Storm (When you cast this spell, copy it for each spell cast before it this turn. You may choose new targets for the copies.)

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

As Hallowed Fountain enters the battlefield, you may pay 2 life. If you don't, it enters the battlefield tapped.

Spells cost {1} less to cast.

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

Irrigated Farmland enters the battlefield tapped.

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

({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}.

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

Whenever you cast a noncreature spell, creatures you control get +1/+1 until end of turn. Untap those creatures.

Whenever you cast a noncreature spell, you may draw a card. If you do, discard a card.

Flying

Historic spells you cast cost {1} less to cast. (Artifacts, legendaries, and Sagas are historic.)

Target player returns each commander they control from the battlefield to the command zone.

Draw a card.

Equipped creature has haste and shroud. (It can't be the target of spells or abilities.)

Equip {0}

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

Cast this spell only during combat.

Your opponents can't cast spells this turn.

End the combat phase. (Remove all attackers and blockers from combat. Exile all spells and abilities from the stack, including this spell.)

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

Counter target spell with mana value 1.

{2}: Mirage Mirror becomes a copy of target artifact, creature, enchantment, or land until end of turn.

Mirrorpool enters the battlefield tapped.

{T}: Add {C}.

{2}{C}, {T}, Sacrifice Mirrorpool: Copy target instant or sorcery spell you control. You may choose new targets for the copy.

{4}{C}, {T}, Sacrifice Mirrorpool: Create a token that's a copy of target creature you control.

({T}: Add {R}.)

({T}: Add {R}.)

Counter target instant or sorcery spell.

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.)

You may look at the top card of your library any time.

You may cast artifact spells and colorless spells from the top of your library.

{T}, Pay 1 life: Exile the top card of your library.

Cumulative upkeep {1} (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.)

Whenever an opponent casts a noncreature spell, you may draw a card unless that player pays {4}.

Search your library for an instant or sorcery card, reveal it, then shuffle and put that card on top.

Each opponent can't draw more than one card each turn.

-2: Look at the top four cards of your library. You may reveal a noncreature, nonland card from among them and put it into your hand. Put the rest on the bottom of your library in a random order.

Flash

Flying

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

When you cycle Nimble Obstructionist, counter target activated or triggered ability you don't control.

{T}: Add {C}.

{T}: Add {W}. Activate only if you control an Island.

{T}: Add {U}. Activate only if you control a Plains.

Surge {U}{U} (You may cast this spell for its surge cost if you or a teammate has cast another spell this turn.)

This spell can't be countered.

Counter target spell.

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

Prairie Stream enters the battlefield tapped unless you control two or more basic lands.

Choose one --

• Counter target spell if it's blue.

• Destroy target permanent if it's blue.

You have no maximum hand size.

{T}: Add {C}.

Renegade Map enters the battlefield tapped.

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

As an additional cost to cast this spell, sacrifice an artifact.

Search your library for an artifact card with mana value X or less, put it onto the battlefield, then shuffle.

Return all artifacts you control to their owner's hand.

Whenever an opponent casts a spell, you may draw a card unless that player pays {1}.

{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 {C}.

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

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

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

As Sorcerous Spyglass enters the battlefield, look at an opponent's hand, then choose any card name.

Activated abilities of sources with the chosen name can't be activated unless they're mana abilities.

When Soul-Guide Lantern enters the battlefield, exile target card from a graveyard.

{T}, Sacrifice Soul-Guide Lantern: Exile each opponent's graveyard.

{1}, {T}, Sacrifice Soul-Guide Lantern: Draw a card.

Counter target spell with mana value 2.

{T}: Add {C}.

{T}, Pay 1 life: Add one mana of any color. Activate only if you control an artifact.

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

As Steam Vents enters the battlefield, you may pay 2 life. If you don't, it enters the battlefield tapped.

Whenever one or more creatures you control deal combat damage to a player, create a Treasure token. (It's an artifact with "{T}, Sacrifice this artifact: Add one mana of any color.")

At the beginning of your end step, if you control five or more artifacts, transform Storm the Vault.

(Transforms from Storm the Vault.)

{T}: Add one mana of any color.

{T}: Add {U} for each artifact you control.

Sulfur Falls enters the battlefield tapped unless you control an Island or a Mountain.

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

Counter target enchantment, instant, or sorcery spell. Its controller creates a 2/2 blue Bird creature token with flying.

Exile target creature. Its controller gains life equal to its power.

{T}: Add {C}.

{T}: Add {R} or {W}. Talisman of Conviction deals 1 damage to you.

{T}: Add {C}.

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

{T}: Add {C}.

{T}: Add {W} or {U}. Talisman of Progress deals 1 damage to you.

Temple of Enlightenment enters the battlefield tapped.

When Temple of Enlightenment enters the battlefield, scry 1.

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

Temple of Epiphany enters the battlefield tapped.

When Temple of Epiphany enters the battlefield, scry 1.

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

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

+1: Untap up to two target artifacts.

-X: Search your library for an artifact card with mana value X or less, put it onto the battlefield, then shuffle.

-5: Artifacts you control become artifact creatures with base power and toughness 5/5 until end of turn.

When Thassa's Oracle enters the battlefield, look at the top X cards of your library, where X is your devotion to blue. Put up to one of them on top of your library and the rest on the bottom of your library in a random order. If X is greater than or equal to the number of cards in your library, you win the game. (Each {U} in the mana costs of permanents you control counts toward your devotion to blue.)

You have no maximum hand size.

{T}: Add {C}.

Return a creature you control to its owner's hand, then destroy all creatures.

{T}, Sacrifice Tormod's Crypt: Exile target player's graveyard.

When Trinket Mage enters the battlefield, you may search your library for an artifact card with mana value 1 or less, reveal that card, put it into your hand, then shuffle.

Counter target spell that targets a permanent you control.

Colorless spells you cast cost {2} less to cast.

+1: Exile the top card of your library face down and look at it. Create a 2/2 colorless Spirit creature token. When that token leaves the battlefield, put the exiled card into your hand.

-3: Destroy target permanent that's one or more colors.

First strike

You may look at the top card of your library any time.

As long as an opponent controls more lands than you, you may play lands from the top of your library. (You can play a land this way only if you have an available land play remaining.)

Improvise (Your artifacts can help cast this spell. Each artifact you tap after you're done activating mana abilities pays for {1}.)

Search your library for an artifact card with mana value X or less, put it onto the battlefield, then shuffle.

Exile target creature you don't control. For each creature exiled this way, its controller searches their library for a basic land card. Those players put those cards onto the battlefield tapped, then shuffle.

Overload {4}{W}{W} (You may cast this spell for its overload cost. If you do, change its text by replacing all instances of "target" with "each.")