{T}, Pay 1 life, Sacrifice this land: Search your library for a Mountain or Plains card, put it onto the battlefield, then shuffle.

{T}: Add {C}. {T}: Add {R} or {W}. This land deals 1 damage to you.

{T}, Pay 1 life, Sacrifice this land: Search your library for a Swamp or Mountain card, put it onto the battlefield, then shuffle.

This land enters tapped unless you control a Mountain or a Plains. {T}: Add {R} or {W}.

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

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

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

{T}, Pay 1 life, Sacrifice this land: Search your library for a Plains or Island card, put it onto the battlefield, then shuffle.

This land enters tapped unless you control a Plains or an Island. {T}: Add {W} or {U}.

({T}: Add {W} or {U}.) As this land enters, you may pay 2 life. If you don't, it enters tapped.

({T}: Add {U}.)

({T}: Add {R}.)

This land enters tapped. {T}: Add {U}, {R}, or {W}.

({T}: Add {W}.)

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

({T}: Add {W} or {U}.) This land enters tapped unless you control two or more basic lands.

You have no maximum hand size. {T}: Add {C}.

({T}: Add {R} or {W}.) As this land enters, you may pay 2 life. If you don't, it enters tapped.

{T}, Pay 1 life, Sacrifice this land: Search your library for an Island or Mountain card, put it onto the battlefield, then shuffle.

This land enters tapped unless you have two or more opponents. {T}: Add {W} or {U}.

This land enters tapped unless you control two or more other lands. {T}: Add {R} or {W}.

This land enters tapped. {T}: Add {U}. Transmute {1}{U}{U} ({1}{U}{U}, Discard this card: Search your library for a card with mana value 0, reveal it, put it into your hand, then shuffle. Transmute only as a sorcery.)

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

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

{2}, {T}: You gain 5 life. Shuffle this artifact and your graveyard into their owner's library.

Discard your hand, Sacrifice this artifact: Add three mana of any one color. Activate only as an instant.

Metalcraft — {T}: Add one mana of any color. Activate only if you control three or more artifacts.

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

+1: You gain 2 life. Add {U}, {R}, or {W}. Spend this mana only to cast a noncreature spell. −2: Draw a card, then you may discard a card. When you discard a nonland card this way, Narset deals damage equal to that card's mana value to target creature or planeswalker. −6: You get an emblem with "Whenever you cast a noncreature spell, this emblem deals 2 damage to any target."

+1: Look at the top card of your library. If it's a noncreature, nonland card, you may reveal it and put it into your hand. −2: When you next cast an instant or sorcery spell from your hand this turn, it gains rebound. (Exile the spell as it resolves. At the beginning of your next upkeep, you may cast that card from exile without paying its mana cost.) −9: You get an emblem with "Your opponents can't cast noncreature spells."

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.

Flying Mentor (Whenever this creature attacks, put a +1/+1 counter on target attacking creature with lesser power.) At the beginning of combat on your turn, choose up to one target creature you control. Until end of turn, that creature gets +2/+0, gains trample if it's red, and gains vigilance if it's white.

Flying, vigilance, haste Whenever Aurelia attacks for the first time each turn, untap all creatures you control. After this phase, there is an additional combat phase.

Haste Whenever this creature attacks, exile the top card of your library face down. (You can't look at it.) {R}, Discard your hand, Sacrifice this creature: Put all cards exiled with this creature into their owners' hands.

Flying Whenever you cast an instant or sorcery spell that targets a creature you control, exile that card instead of putting it into your graveyard as it resolves. If you do, return it to your hand at the beginning of the next end step.

During your turn, your opponents can't cast spells or activate abilities of artifacts, creatures, or enchantments.

{2}, Exile a nonland card from your hand: Put four time counters on the exiled card. If it doesn't have suspend, it gains suspend. (At the beginning of your upkeep, remove a time counter. When the last is removed, you may cast it without paying its mana cost. If it's a creature, it has haste.)

Flying, vigilance, haste

Exile an instant or sorcery spell you control: Put two +1/+1 counters on this creature. (That spell won't resolve.)

Choose two — • Destroy all artifacts. • Destroy all enchantments. • Destroy all creatures with mana value 3 or less. • Destroy all creatures with mana value 4 or greater.

Choose one — • Destroy all creatures. • Destroy all artifacts and enchantments.

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.)

Draw a card. Scry 2.

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.

Flip a coin. If you win the flip, take an extra turn after this one.

Enchant creature Enchanted creature can't attack or block, and its activated abilities can't be activated.

Enchant permanent When this Aura enters, you gain 4 life. Enchanted permanent can't attack or block, and its activated abilities can't be activated unless they're mana abilities.

Enchant creature When enchanted creature dies, return that card to the battlefield under its owner's control. Return this card to the battlefield attached to that creature at the beginning of the next end step.

Enchant creature, land, or planeswalker Enchanted permanent is a colorless land with "{T}: Add {C}" and loses all other card types and abilities.

Enchant artifact or creature Enchanted permanent can't attack or block, and its activated abilities can't be activated.

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

Flash When this enchantment enters, exile target tapped creature an opponent controls until this enchantment leaves the battlefield.

Counter target spell.

This spell can't be countered. Counter target noncreature spell.

You gain 2 life, draw two cards, then discard two cards. Flashback {1}{W}{U} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

You may sacrifice a nontoken blue creature rather than pay this spell's mana cost. Counter target spell.

Counter target instant or sorcery spell unless its controller pays {1}. Storm (When you cast this spell, copy it for each spell cast before it this turn. You may choose new targets for the copies.)

During turns other than yours, this spell costs {3} more to cast. Return all nonland permanents to their owners' hands. End the turn. (Exile all spells and abilities from the stack, including this card. The player whose turn it is discards down to their maximum hand size. Damage wears off, and "this turn" and "until end of turn" effects end.)

Return all artifacts target player owns to their hand.

Choose one — • Counter target noncreature spell unless its controller pays {2}. • Izzet Charm deals 2 damage to target creature. • Draw two cards, then discard two cards.

Lightning Bolt deals 3 damage to any target.

Lightning Helix deals 3 damage to any target and you gain 3 life.

Lightning Strike deals 3 damage to any target.

Target artifact or creature gains hexproof and indestructible until end of turn. Scry 1.

Magma Jet deals 2 damage to any target. Scry 2.

Counter target spell unless its controller pays {3}.

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

Counter target noncreature spell.

Counter target spell. Its controller can't cast spells this turn.

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

Target creature you control gains protection from the color of your choice until end of turn. Draw a card.

Choose one — • Target creature gains indestructible until end of turn. (Damage and effects that say "destroy" don't destroy it.) • Destroy target creature with toughness 4 or greater.

Warleader's Helix deals 4 damage to any target and you gain 4 life.