You may have Copy Enchantment enter the battlefield as a copy of any enchantment on the battlefield.

You may have Estrid's Invocation enter the battlefield as a copy of an enchantment you control, except it has "At the beginning of your upkeep, you may exile this enchantment. If you do, return it to the battlefield under its owner's control."

You may have Mirrormade enter the battlefield as a copy of any artifact or enchantment on the battlefield.

Constellation — Whenever an enchantment enters the battlefield under your control, you may have Protean Thaumaturge become a copy of another target creature, except it has this ability.

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."

You may cast Aura spells with enchant creature as though they had flash.

Enchant creature an opponent controls Whenever enchanted creature becomes tapped, you draw a card.

Whenever a creature you control deals combat damage to a player, you may draw a card. {1}{U}, {T}: Creatures your opponents control attack this turn if able.

Whenever a creature you control deals combat damage to an opponent, you may draw a card.

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}.

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

Enchant creature Enchanted creature can't be blocked. Whenever enchanted creature attacks, scry 1. (Look at the top card of your library. You may put that card on the bottom of your library.)

Enchant creature Enchanted creature has flying. Aura swap {2}{U} ({2}{U}: Exchange this Aura with an Aura card in your hand.)

Enchant creature Creatures you control that are enchanted get +1/+1 and can't be blocked except by creatures with defender.

Choose one — • Target creature gains islandwalk until end of turn. (It can't be blocked as long as defending player controls an Island.) • Target creature gets +2/-1 until end of turn. • Target player discards a card.

{T}: Add {C}. {1}, {T}: Until end of turn, creatures your opponents control lose hexproof and shroud and can't have hexproof or shroud.

Castle Vantress enters the battlefield tapped unless you control an Island. {T}: Add {U}. {2}{U}{U}, {T}: Scry 2.

Lonely Sandbar enters the battlefield tapped. {T}: Add {U}. Cycling {U} ({U}, Discard this card: Draw a card.)

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

{T}: Add {C}. {2}, {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 have no maximum hand size. {T}: Add {C}.

{T}: Add {C}. {1}{U}, {T}: Return target Wizard you control to its owner's hand.

{T}: Add {C}. {2}, {T}, Sacrifice a Desert: Exile all graveyards.

({T}: Add {U}.)

If Soldevi Excavations would enter the battlefield, sacrifice an untapped Island instead. If you do, put Soldevi Excavations onto the battlefield. If you don't, put it into its owner's graveyard. {T}: Add {C}{U}. {1}, {T}: Scry 1.

{T}: Add {C}. {T}, Sacrifice Strip Mine: Destroy target land.

{T}: Add {C}. {2}, {T}: You may put a basic land card from your hand onto the battlefield tapped.

Tolaria West enters the battlefield 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.)

Flash Enchant creature Enchanted creature has shroud. (It can't be the target of spells or abilities.)

Enchant permanent Enchanted permanent has hexproof. When enchanted permanent leaves the battlefield, if it was historic, draw two cards. (Artifacts, legendaries, and Sagas are historic.)

Enchant creature Enchanted creature gets +3/+3 and has flying. Totem armor (If enchanted creature would be destroyed, instead remove all damage from it and destroy this Aura.)

Flash (You may cast this spell any time you could cast an instant.) Enchant creature Enchanted creature gets +1/+1. Totem armor (If enchanted creature would be destroyed, instead remove all damage from it and destroy this Aura.)

If Leyline of Anticipation is in your opening hand, you may begin the game with it on the battlefield. You may cast spells as though they had flash.

You may exile a blue card from your hand rather than pay this spell's mana cost. Change the target of target spell with a single target.

Flash (You may cast this spell any time you could cast an instant.) When Mizzium Meddler enters the battlefield, you may change a target of target spell or ability to Mizzium Meddler.

Enchant creature Enchanted creature has base power and toughness 8/8 and has "Whenever this creature attacks, you may tap target creature with power 8 or less." Totem armor (If enchanted creature would be destroyed, instead remove all damage from it and destroy this Aura.)

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

You may choose new targets for target spell.

{2}: Equipped creature gains hexproof until end of turn. (It can't be the target of spells or abilities your opponents control.) At the beginning of your upkeep, put a +1/+1 counter on equipped creature if it's blue. Equip {1} ({1}: Attach to target creature you control. Equip only as a sorcery.)

{T}, Sacrifice Scarab of the Unseen: Return all Auras attached to target permanent you own to their owners' hands. Draw a card at the beginning of the next turn's upkeep.

Equipped creature has hexproof and haste. (It can't be the target of spells or abilities your opponents control.) Equip {1}

Enchant creature {U}{U}: Enchanted creature phases out. (While it's phased out, it's treated as though it doesn't exist. It phases in before its controller untaps during their next untap step.)

Enchant creature Enchanted creature gets +2/+2 for each Aura attached to it and has vigilance.

Equipped creature gets +1/+1 for each land you control. Equip legendary creature {3} Equip {7}

Equipped creature gets +1/+1 for each card in your hand. Equip {2}

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

{T}: Add {C}. {1}, {T}, Sacrifice Mind Stone: Draw a card.

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

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

Return all attacking creatures to their owner's hand.

Kicker {1}{U} (You may pay an additional {1}{U} as you cast this spell.) Return target nonland permanent to its owner's hand. If this spell was kicked, draw a card.

Exile X target creatures. For each creature exiled this way, its controller creates a 2/2 green Boar creature token.

{U}{U}, Return two Islands you control to their owner's hand: Return target creature to its owner's hand.

Return target creature to its owner's hand. Gain control of all Auras and Equipment that were attached to it, then attach them to another creature.

Return target creature and all Auras attached to it to their owners' hands.

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

Destroy target creature. It can't be regenerated. Its controller creates a 3/3 green Ape creature token.

Destroy target creature. It can't be regenerated. That creature's controller creates a 3/3 green Frog Lizard creature token.

Exile target creature. Its controller manifests the top card of their library. (That player puts the top card of their library onto the battlefield face down as a 2/2 creature. If it's a creature card, it can be turned face up any time for its mana cost.)

Flying When Sower of Temptation enters the battlefield, gain control of target creature for as long as Sower of Temptation remains on the battlefield.

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

Gain control of target Aura that's attached to a permanent. Attach it to another permanent it can enchant.

Enchant creature Enchanted creature can't be blocked unless defending player pays {3} for each creature they control that's blocking it.

Draw a card for each tapped creature target opponent controls.

As Caged Sun enters the battlefield, 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.

Buyback {3} (You may pay an additional {3} as you cast this spell. If you do, put this card into your hand as it resolves.) Return target permanent to its owner's hand.

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.

{3}, {T} or {U}, {T}: Return target creature to its owner's hand unless its controller pays {1}.

Enchant player Whenever enchanted player is attacked, you draw a card. Each opponent attacking that player does the same.

Enchant creature Shroud (A permanent with shroud can't be the target of spells or abilities.) Enchanted creature has shroud.

Whenever a permanent deals damage to you, return it to its owner's hand.

Return target nonland permanent and all other permanents with the same name as that permanent to their owners' hands.

Enchant creature When enchanted creature dies, return that card to the battlefield under your control.

As Gauntlet of Power enters the battlefield, 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.

Flying {U}{U}: Return target Aura card from your graveyard to the battlefield attached to Hakim, Loreweaver. Activate only during your upkeep and only if Hakim isn't enchanted. {U}{U}, {T}: Destroy all Auras attached to Hakim.

Tap target creature an opponent controls. That creature doesn't untap during its controller's next untap step. Cipher (Then you may exile this spell card encoded on a creature you control. Whenever that creature deals combat damage to a player, its controller may cast a copy of the encoded card without paying its mana cost.)

{T}: Add {C}. {2}, {T}: Scry 1, then you may reveal the top card of your library. If a basic land card is revealed this way, put it onto the battlefield tapped. Activate only if an opponent controls at least two more lands than you.

Amass Zombies 1. (Put a +1/+1 counter on an Army you control. It's also a Zombie. If you don't control an Army, create a 0/0 black Zombie Army creature token first.) You and permanents you control gain hexproof until end of turn. (You and they can't be the targets of spells or abilities your opponents control.)

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

({T}: Add {U}.) Moonring Island enters the battlefield tapped. {U}, {T}: Look at the top card of target player's library. Activate only if you control two or more blue permanents.

{T}: Add {C}. {4}, {T}: Exile target attacking creature an opponent controls. At the beginning of the next end step, return it to the battlefield tapped under its owner's control.

If a spell or ability an opponent controls causes you to discard a card, you may reveal that card and put it on top of your library instead of putting it anywhere else. {T}: Add {C}.

This spell can't be countered. You have no maximum hand size. Whenever an opponent casts a noncreature spell, draw a card. Discard three cards: Exile Nezahal, Primal Tide. Return it to the battlefield tapped under its owner's control at the beginning of the next end step.

({U/P} can be paid with either {U} or 2 life.) You may have Phyrexian Metamorph enter the battlefield as a copy of any artifact or creature on the battlefield, except it's an artifact in addition to its other types.

{1}, {T}: Return target creature you control and each Aura attached to it to their owners' hands. Activate only during your turn.

Enchant creature At the beginning of your upkeep, you may put a page counter on Private Research. When enchanted creature dies, draw a card for each page counter on Private Research.