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

Counter target spell.

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

If it's not your turn, you may exile a blue card from your hand rather than pay this spell's mana cost. Counter target noncreature spell. If that spell is countered this way, exile it instead of putting it into its owner's graveyard.

Destroy target permanent. Its controller creates a 3/3 green Elephant creature token.

Choose one — • Destroy X target artifacts and/or enchantments. • Target player gains twice X life.

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

Exile target creature. Its controller may search their library for a basic land card, put that card onto the battlefield tapped, then shuffle.

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

Exile target artifact or enchantment. If you cast this spell during your main phase, you may exile up to one other target artifact or enchantment.

Counter target spell. Untap up to four lands.

You gain 1 life for each creature your opponents control. Prevent all damage that would be dealt to you this turn.

You gain X life and draw X cards.

Exile all other spells and counter all abilities.

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

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

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

{T}: Add one mana of any color in your commander's color identity. Sacrifice this artifact: Draw a card.

Spells your opponents cast cost {2} more to cast. At the beginning of your end step, each opponent loses 1 life.

Creature cards in graveyards and libraries can't enter the battlefield. Players can't cast spells from graveyards or libraries.

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

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

{T}, Sacrifice this artifact: Exile target player's graveyard.

This land enters tapped. When this land enters, return a land you control to its owner's hand. {T}: Add {W}{U}.

{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 {W} or {U}.) This land enters tapped.

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

If you control two or more other lands, this land enters tapped. {T}: Add {U}. {5}{U}: Until end of turn, this land becomes a 7/7 blue Giant creature with ward {3}. It's still a land. (Whenever it becomes the target of a spell or ability an opponent controls, counter it unless that player pays {3}.)

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

({T}: Add {W} or {U}.) This land enters tapped.

({T}: Add {U}.)

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

When this land enters, sacrifice it. When you do, search your library for a basic Plains, Island, or Swamp card, put it onto the battlefield tapped, then shuffle and you gain 1 life.

({T}: Add {W}.)

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

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

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

This land enters tapped. As this land enters, choose a color other than blue. {T}: Add {U} or one mana of the chosen color.

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

Flying Each player can't cast more than one spell each turn. Nonbasic lands your opponents control enter tapped.

Flash Flying If an opponent would search a library, that player searches the top four cards of that library instead.

Callaphe's power is equal to your devotion to blue. (Each {U} in the mana costs of permanents you control counts toward your devotion to blue.) Creatures and enchantments you control have "Spells your opponents cast that target this permanent cost {1} more to cast."

Flash If a nontoken creature would enter and it wasn't cast, exile it instead.

Flying, lifelink Whenever you draw a card, this creature gets +1/+0 until end of turn. Whenever this creature attacks, draw a card. Discard a card: This creature gains hexproof until end of turn. Tap it.

Whenever an opponent casts their first noncreature spell each turn, draw a card unless that player pays {X}, where X is this creature's power.

At the beginning of each opponent's upkeep, that player chooses draw step, main phase, or combat phase. The player skips each instance of the chosen step or phase this turn.

Flying, lifelink Creatures entering or dying don't cause abilities to trigger.

Each opponent can't cast noncreature spells with mana value greater than the number of lands that player controls. Whenever an opponent casts a spell, if no mana was spent to cast it, counter that spell.

Flying Activated abilities of creatures your opponents control can't be activated.

Each player can't cast more than one non-Phyrexian spell each turn. Non-Phyrexian creatures enter tapped.

When this creature enters, you may search your library for a basic land card, put that card onto the battlefield tapped, then shuffle. When this creature dies, you may draw a card.

Permanent cards in graveyards can't enter the battlefield. Players can't cast noncreature spells from graveyards or exile.

Flying Whenever a permanent entering causes a triggered ability to trigger, counter that ability unless its controller pays {2}.

First strike Noncreature spells cost {1} more to cast.

Whenever a player draws their second card during their turn, you draw a card. Whenever a player casts their second spell during their turn, you create a 2/2 white Knight creature token.

Artifact, instant, and sorcery spells your opponents cast cost {1} more to cast. −1: Until your next turn, prevent all damage that would be dealt to and dealt by target permanent an opponent controls.

Spells your opponents cast that target a creature or planeswalker you control cost {2} more to cast. −2: Create a 2/2 blue Wizard creature token. Draw a card, then discard a card.

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.

You may activate loyalty abilities of Teferi on any player's turn any time you could cast an instant. +1: Draw a card, then discard a card. −3: Target creature you don't control phases out. (Treat it and anything attached to it as though they don't exist until its controller's next turn.) −10: Take two extra turns after this one.

Artifact and enchantment spells your opponents cast cost {2} more to cast. Sacrifice this enchantment: Destroy target artifact or enchantment.

When this enchantment enters, exile target nonland permanent an opponent controls until this enchantment leaves the battlefield.

Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for {1} or one mana of that creature's color.) When this enchantment enters, exile target nonland permanent an opponent controls until this enchantment leaves the battlefield.

Each player can't cast more than one noncreature spell each turn.

As this enchantment enters, choose Khans or Dragons. • Khans — At the beginning of your draw step, draw an additional card, then discard a card. • Dragons — Spells your opponents cast that target you or a permanent you control cost {2} more to cast.

Creatures can't attack you unless their controller pays {2} for each creature they control that's attacking you.

When this enchantment enters, exile all graveyards. If a card or token would be put into a graveyard from anywhere, exile it instead.

Each player can't cast more than one spell each turn.

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

Destroy all creatures.

Choose one or more — • Exile all artifacts. • Exile all creatures. • Exile all enchantments. • Exile all graveyards.

Destroy all nonland permanents.

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.)

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

This spell can't be countered. Destroy all creatures.