This land enters tapped. When this land enters, return a land you control to its owner's hand. If another Desert was returned this way, surveil 1. (Look at the top card of your library. You may put it into your graveyard.) {T}: Add {C}{C}.

This land enters tapped. When this land enters, sacrifice it unless you return an untapped Island you control to its owner's hand. {T}: Add {C}{U}.

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

({T}: Add {U}.)

This land enters tapped. {T}: Add {C}. {2}, {T}, Sacrifice this land: 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}.) This land enters tapped unless you control three or more other Islands. When this land enters untapped, you may put target instant or sorcery card from your graveyard on top of your library.

Counter target noncreature spell. Its controller creates two Treasure tokens. (They're artifacts with "{T}, Sacrifice this token: Add one mana of any color.")

Counter target spell.

Flash Flying When this creature enters, surveil 4. When you do, you may return target nonland permanent an opponent controls to its owner's hand. (To surveil 4, look at the top four cards of your library, then put any number of them into your graveyard and the rest on top of your library in any order.)

Return to their owners' hands all creatures with toughness less than or equal to the number of Islands you control.

Prowl {3}{U} (You may cast this spell for its prowl cost if you dealt combat damage to a player this turn with a Sphinx or Rogue.) Flying When this creature enters, for each opponent, return up to one target nonland permanent that player controls to its owner's hand.

Return all nonland permanents to their owners' hands. If you return four or more nontoken permanents you control this way, you may put a permanent card from your hand onto the battlefield.

(You may cast a legendary sorcery only if you control a legendary creature or planeswalker.) Target player takes an extra turn after this one. Return up to one target nonland permanent to its owner's hand. Exile Karn's Temporal Sundering.

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

Kicker {5} (You may pay an additional {5} as you cast this spell.) Create a token that's a copy of target creature. If this spell was kicked, create five of those tokens instead.

You may reveal this card from your opening hand. If you do, at the beginning of the first upkeep, each opponent mills seven cards. Flying When this creature enters, you may cast target instant or sorcery card from an opponent's graveyard without paying its mana cost.

Flying Whenever this creature deals combat damage to a player, that player exiles cards from the top of their library until they exile an instant or sorcery card. You may cast that card without paying its mana cost. Then that player puts the exiled cards that weren't cast this way on the bottom of their library in a random order.

Flying Inspired — Whenever this creature becomes untapped, reveal the top card of your library. If it's an artifact, creature, or land card, you may put it onto the battlefield with a manifestation counter on it. That permanent is an enchantment in addition to its other types.

Flying {2}{U}, {T}: Draw two cards, then discard a card. Whenever Atemsis deals damage to an opponent, you may reveal your hand. If cards with at least six different mana values are revealed this way, that player loses the game.

Flying Whenever an opponent draws a card, you may draw two cards.

This spell can't be countered. Flying When this creature enters, look at the top five cards of your library and separate them into a face-down pile and a face-up pile. An opponent chooses one of those piles. Put that pile into your hand and the other into your graveyard.

Flying As an additional cost to cast blue permanent spells, you may pay 2 life. Those spells cost {U} less to cast if you paid life this way. This effect reduces only the amount of blue mana you pay. Whenever you cast a blue permanent spell, draw a card.

Draw cards equal to the number of cards in your library, then put a card from your hand on top of your library. You have no maximum hand size until your next turn.

You may look at the top card of your library any time. You may play lands and cast spells from the top of your library. Once during each of your turns, you may cast a spell from your hand or the top of your library without paying its mana cost.

Flying, ward {2} Domain — Whenever this creature deals combat damage to a player, reveal the top X cards of your library, where X is the number of basic land types among lands you control. An opponent separates those cards into two piles. Put one pile into your hand and the other into your graveyard. (Piles can be empty.)

Flying At the beginning of each of your postcombat main phases, there is an additional beginning phase after this phase. (The beginning phase includes the untap, upkeep, and draw steps.)

Each player shuffles their hand and graveyard into their library, then draws seven cards. Exile Time Reversal.

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

As this artifact enters, choose a color. Creatures you control of the chosen color get +1/+1. Whenever a land's ability causes you to add one or more mana of the chosen color, add one additional mana of that color.

Flying You may collect evidence 10 rather than pay the mana cost for spells you cast. (To collect evidence 10, exile cards with total mana value 10 or greater from your graveyard.)

You may look at the top card of your library any time. You may play historic lands and cast historic spells from the top of your library. (Artifacts, legendaries, and Sagas are historic.) {T}: Add {U}.

Indestructible (Effects that say "destroy" don't destroy this artifact.) {T}: Add one mana of any color.

You have no maximum hand size. {T}: Add one mana of any color.

Imprint — When this artifact enters, you may exile target land you control. Whenever a land with the same name as the exiled card is tapped for mana, its controller adds one mana of any type that land produced.

As this artifact enters, choose a color. Creatures of the chosen color get +1/+1. Whenever a basic land is tapped for mana of the chosen color, its controller adds an additional one mana of that color.

{T}: Add three mana of any one color.

{T}: Add {C}{C}. {2}, {T}, Sacrifice this artifact: Draw two cards.

Until end of turn, whenever a player taps an Island for mana, that player adds an additional {U}.

Flying Whenever this creature deals combat damage to a player, choose a card in your hand. That player guesses whether the card's mana value is greater than 4. If the player guessed wrong, you may cast the card without paying its mana cost.

{T}: Add {U}. {2}{U}: Put an hour counter on this artifact. At the beginning of each upkeep, put an hour counter on this artifact. When the twelfth hour counter is put on this artifact, shuffle your hand and graveyard into your library, then draw seven cards. Exile this artifact.

Flash When this artifact enters during the declare attackers step, you may reselect which player or permanent target attacking creature is attacking. (It can't attack its controller or their permanents.) {T}: Add {U}.

Nyx Lotus enters tapped. {T}: Choose a color. Add an amount of mana of that color equal to your devotion to that color. (Your devotion to a color is the number of mana symbols of that color in the mana costs of permanents you control.)

You may cast spells from your hand without paying their mana costs.

As this artifact enters, choose a creature type. Creatures you control of the chosen type get +1/+1. {T}: Add one mana of any color.

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

This artifact enters tapped. {T}: Add {U}.

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

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

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

As Throne of Eldraine enters, choose a color. {T}: Add four mana of the chosen color. Spend this mana only to cast monocolored spells of that color. {3}, {T}: Draw two cards. Spend only mana of the chosen color to activate this ability.

Target player takes an extra turn after this one. Shuffle Beacon of Tomorrows into its owner's library.

Council's dilemma — Starting with you, each player votes for time or money. For each time vote, take an extra turn after this one. For each money vote, choose a permanent owned by the voter and gain control of it. Exile Expropriate.

Take an extra turn after this one. If Nexus of Fate would be put into a graveyard from anywhere, reveal Nexus of Fate and shuffle it into its owner's library instead.

Take an extra turn after this one. Exile Part the Waterveil. Awaken 6—{6}{U}{U}{U} (If you cast this spell for {6}{U}{U}{U}, also put six +1/+1 counters on target land you control and it becomes a 0/0 Elemental creature with haste. It's still a land.)

Take an extra turn after this one.

Delve (Each card you exile from your graveyard while casting this spell pays for {1}.) Take an extra turn after this one. Exile Temporal Trespass.

Target player takes two extra turns after this one.

Target player takes an extra turn after this one.

Flying When this creature enters, you may cast target instant, sorcery, or artifact card from your graveyard without paying its mana cost. If an instant or sorcery spell cast this way would be put into your graveyard, exile it instead.