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

{2}, {T}, Sacrifice this artifact: Draw three cards, then put two cards from your hand on top of your library in any order.

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

{T}: Add {C}{C}{C}. {3}, {T}, Sacrifice this artifact: Draw three cards.

{2}, {T}: Draw a card. Activate only if you control three or more lands with the same name.

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

{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.

Equipped creature has shroud. (It can't be the target of spells or abilities.) {U}{U}: Attach Neurok Stealthsuit to target creature you control. Equip {1} ({1}: Attach to target creature you control. Equip only as a sorcery.)

{T}: Manifest a card from your hand. (Put that card onto the battlefield face down as a 2/2 creature. Turn it face up any time for its mana cost if it's a creature card.)

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

Equipped creature has hexproof and haste. (It can't be the target of spells or abilities your opponents control. It can attack and {T} no matter when it came under your control.) Equip {1} ({1}: Attach to target creature you control. Equip only as a sorcery.)

{2}{U}, {T}: Copy target activated or triggered ability you control. You may choose new targets for the copy. Ultimate Sacrifice — {1}{U}, Sacrifice Adric: Counter target activated or triggered ability. Doctor's companion (You can have two commanders if the other is the Doctor.)

Alirios enters tapped. Alirios doesn't untap during your untap step if you control a Reflection. When Alirios enters, create a 3/2 blue Reflection creature token.

Instant and sorcery spells you cast cost {1} less to cast. Whenever a spell or ability you control counters a spell, you may draw a card. If you do, discard a card.

When this creature dies, put a shield counter on target creature you control. (If it would be dealt damage or destroyed, remove a shield counter from it 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."

Whenever you draw a card, put a +1/+1 counter on this creature. When this creature dies, create X 1/1 blue Squid creature tokens with islandwalk, where X is the number of +1/+1 counters on this creature. (They can't be blocked as long as defending player controls an Island.)

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 When this creature enters, for each opponent, you may cast up to one target instant or sorcery card from that player's graveyard without paying its mana cost. If a spell cast this way would be put into a graveyard, exile it instead.

Whenever Elrond or another creature you control enters, scry 1. If this is the second time this ability has resolved this turn, the Ring tempts you.

Flash Defender, haste {1}{U}, {T}: Copy target spell you control that wasn't cast. You may choose new targets for the copy.

Flying Spells your opponents cast that target one or more commanders you control cost {3} more to cast. Partner (You can have two commanders if both have partner.)

This creature can't be blocked except by three or more creatures. If a spell or ability you control would counter a spell, instead exile that spell and you may play that card without paying its mana cost. When Guile is put into a graveyard from anywhere, shuffle it into its owner's library.

Prototype {2}{U}{U} — 3/3 (You may cast this spell with different mana cost, color, and size. It keeps its abilities and types.) You may have this creature enter as a copy of an artifact or creature you control, except it's an artifact creature in addition to its other types, and its power and toughness are equal to this creature's power and toughness.

Trample Islandwalk (This creature can't be blocked as long as defending player controls an Island.) Shroud (This creature can't be the target of spells or abilities.)

Flying When this creature enters, draw cards equal to the number of opponents you have. {3}{U}: Create a 1/1 colorless Thopter artifact creature token with flying.

{T}: Untap another target permanent. {T}: Untap two other target legendary creatures.

Flying, ward {3} Architect of Deception — When this creature enters, draw three cards.

When this creature enters, destroy target nonland permanent an opponent controls.

Ward {3} (Whenever this creature becomes the target of a spell or ability an opponent controls, counter it unless that player pays {3}.) Channel — {2}{U}, Discard this card: Counter target spell or ability unless its controller pays {3}.

When this creature enters, create four 1/1 colorless Myr artifact creature tokens. Whenever this creature attacks, you may tap X untapped Myr you control. If you do, this creature gets +X/+0 until end of turn and deals X damage to the player or planeswalker it's attacking.

Imprint — When this creature enters, you may exile target nontoken creature. This creature gets +X/+Y, where X is the exiled creature card's power and Y is its toughness.

When this creature dies, create a 3/3 blue Fish creature token with "When this token dies, create a 6/6 blue Whale creature token with 'When this token dies, create a 9/9 blue Kraken creature token.'"

Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.) Whenever this creature attacks, you may return target creature to its owner's hand if its power is less than this creature's power.

When this creature enters, return each creature your opponents control with toughness X or less to its owner's hand, where X is the number of Islands you control.

Flying When this creature enters, target opponent draws a card and you draw three cards.

This spell can't be countered. Flying Hexproof (This creature can't be the target of spells or abilities your opponents control.) Instant and sorcery spells you control can't be countered.

Flying When this creature enters, 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.

Prototype {3}{U} — 2/3 (You may cast this spell with different mana cost, color, and size. It keeps its abilities and types.) Flying When this creature enters, scry X, where X is its power.

Islandwalk (This creature can't be blocked as long as defending player controls an Island.) All lands are Islands in addition to their other types. Creatures without flying or islandwalk can't attack.

Enchant creature Enchanted creature loses all abilities and is a blue Frog creature with base power and toughness 1/1. (It loses all other card types and creature types.)

Scry 2, then draw two cards. Foretell {1}{U} (During your turn, you may pay {2} and exile this card from your hand face down. Cast it on a later turn for its foretell cost.)

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

Counter target spell.

Counter target spell.

Return target nonland permanent to its owner's hand. Foretell {U} (During your turn, you may pay {2} and exile this card from your hand face down. Cast it on a later turn for its foretell cost.)

Counter target spell. Scry 1. (Look at the top card of your library. You may put that card on the bottom.)

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

Counter target creature spell. Create a 1/1 blue Spirit creature token with flying.

Choose target nonlegendary creature. The next time one or more creatures or planeswalkers enter this turn, they enter as copies of the chosen creature. Foretell {U} (During your turn, you may pay {2} and exile this card from your hand face down. Cast it on a later turn for its foretell cost.)

Counter target noncreature spell.

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

Draw three cards, then put two cards from your hand both on top of your library or both on the bottom of your library.

Look at the top three cards of target player's library, then put them back in any order. You may have that player shuffle. Draw a card at the beginning of the next turn's upkeep.

Exile target artifact or creature. Its controller creates a 1/1 blue Bird creature token with flying. Foretell {U} (During your turn, you may pay {2} and exile this card from your hand face down. Cast it on a later turn for its foretell cost.)

Draw two cards, then shuffle a card from your hand into your library.

Return each creature your opponents control with toughness X or less to its owner's hand, where X is the number of Islands you control. Foretell {1}{U}{U} (During your turn, you may pay {2} and exile this card from your hand face down. Cast it on a later turn for its foretell cost.)

Each player with fewer cards in hand than the player with the most cards in hand draws cards equal to the difference. Foretell {1}{U} (During your turn, you may pay {2} and exile this card from your hand face down. Cast it on a later turn for its foretell cost.)

Return up to three target artifacts and/or creatures to their owners' hands. You may cast a spell with mana value 4 or less from your hand without paying its mana cost.

Flying When this creature enters, draw three cards, then put two cards from your hand on top of your library in any order. When this creature dies, shuffle it into its owner's library, then 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.)

Spells your opponents cast that target Charix cost {2} more to cast. {3}: Charix gets +X/-X until end of turn, where X is the number of Islands you control.

When Fblthp enters, draw a card. If it entered from your library or was cast from your library, draw two cards instead. When Fblthp becomes the target of a spell, shuffle Fblthp into its owner's library.

Negative — As long as K-9 is untapped, other legendary creatures you control have ward {1}. Affirmative — {1}{U}, {T}: Target legendary creature can't be blocked this turn. Doctor's companion (You can have two commanders if the other is the Doctor.)

Flying Creatures you control have "Whenever this creature becomes the target of a spell or ability for the first time each turn, counter that spell or ability."

Exile all creatures you control, then reveal cards from the top of your library until you reveal that many creature cards. Put all creature cards revealed this way onto the battlefield, then shuffle the rest of the revealed cards into your library.

+2: Until your next turn, up to one target creature gets -2/-0 and loses flying. −3: Create a 4/4 blue Elemental Bird creature token with flying. −8: You get an emblem with "Islands you control have '{T}: Draw a card.'"

Destroy target creature. It can't be regenerated. Its controller reveals cards from the top of their library until they reveal a creature card. The player puts that card onto the battlefield, then shuffles all other cards revealed this way into their library.

Flying Whenever this creature deals combat damage to a player, search that player's library for a card, then that player chooses a card name. If you searched for a creature card that doesn't have that name, you may put it onto the battlefield under your control. Then that player shuffles.

You may look at the top card of your library any time. As long as The Reality Chip is attached to a creature, you may play lands and cast spells from the top of your library. Reconfigure {2}{U} ({2}{U}: Attach to target creature you control; or unattach from a creature. Reconfigure only as a sorcery. While attached, this isn't a creature.)