When Academy Researchers enters the battlefield, you may put an Aura card from your hand onto the battlefield attached to Academy Researchers.

When Amphin Mutineer enters the battlefield, exile up to one target non-Salamander creature. That creature's controller creates a 4/3 blue Salamander Warrior creature token.

Encore {4}{U}{U} ({4}{U}{U}, Exile this card from your graveyard: For each opponent, create a token copy that attacks that opponent this turn if able. They gain haste. Sacrifice them at the beginning of the next end step. Activate only as a sorcery.)

Enchant land (Target a land as you cast this. This card enters the battlefield attached to that land.)

You control enchanted land.

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

When Armored Skaab enters the battlefield, mill four cards.

Heroic -- Whenever you cast a spell that targets Artisan of Forms, you may have Artisan of Forms become a copy of target creature, except it has this ability.

Enchant creature

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

Whenever Binding Geist attacks, target creature an opponent controls gets -2/-0 until end of turn.

Disturb {1}{U} (You may cast this card from your graveyard transformed for its disturb cost.)

Enchant creature

Enchanted creature gets -2/-0.

If Spectral Binding would be put into a graveyard from anywhere, exile it instead.

{3}, Sacrifice Burnished Hart: Search your library for up to two basic land cards, put them onto the battlefield tapped, then shuffle.

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."

Wraith Form -- Canoptek Wraith can't be blocked.

Transdimensional Scout -- When Canoptek Wraith deals combat damage to a player, you may pay {3} and sacrifice it. If you do, choose a land you control. Then search your library for up to two basic land cards which have the same name as the chosen land, put them onto the battlefield tapped, then shuffle.

Spells your opponents cast that target Charix, the Raging Isle cost {2} more to cast.

{3}: Charix gets +X/-X until end of turn, where X is the number of Islands you control.

Enchant land

Whenever enchanted land becomes tapped, its controller mills three cards.

Enchant creature

Enchanted creature has "Whenever this creature deals combat damage to a player, draw a card."

As long as enchanted creature is legendary, it gets +1/+1 and has ward {1}. (Whenever enchanted creature becomes the target of a spell or ability an opponent controls, counter it unless that player pays {1}.)

When Covetous Castaway dies, mill three cards. (Put the top three cards of your library into your graveyard.)

Disturb {3}{U}{U} (You may cast this card from your graveyard transformed for its disturb cost.)

Flying

When Ghostly Castigator enters the battlefield, you may shuffle up to three target cards from your graveyard into your library.

If Ghostly Castigator would be put into a graveyard from anywhere, exile it instead.

Flash

Enchant creature you control

When Cradle of Safety enters the battlefield, enchanted creature gains hexproof until end of turn. (It can't be the target of spells or abilities your opponents control.)

Enchanted creature gets +1/+1.

At the beginning of combat on your turn, choose a kind of counter at random that Crystalline Giant doesn't have on it from among flying, first strike, deathtouch, hexproof, lifelink, menace, reach, trample, vigilance, and +1/+1. Put a counter of that kind on Crystalline Giant.

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.)

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

{T}, Mill a card: Add {C}. (To mill a card, put the top card of your library into your graveyard.)

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

Flying

When Dream Eater enters the battlefield, 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.)

{2}{U}, {T}, Discard a card, Sacrifice a land: Search your library for up to two basic land cards, put them onto the battlefield, then shuffle.

Whenever a player casts a blue spell, you may pay {1}. If you do, target player mills two cards.

{T}: Add {C}.

{3}: Return Drownyard Temple from your graveyard to the battlefield tapped.

At the beginning of your upkeep, create a token that's a copy of another target nonland permanent you control.

Gutter Skulker can't be blocked as long as it's attacking alone.

Disturb {3}{U} (You may cast this card from your graveyard transformed for its disturb cost.)

Enchant creature

Enchanted creature can't be blocked as long as it's attacking alone.

If Gutter Shortcut would be put into a graveyard from anywhere, exile it instead.

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.

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

Enchant creature

Enchanted creature loses all abilities and is a blue Fish with base power and toughness 0/1.

Split second (As long as this spell is on the stack, players can't cast spells or activate abilities that aren't mana abilities.)

Enchant creature, planeswalker, or Clue

Enchanted permanent is a colorless Clue artifact with "{2}, Sacrifice this artifact: Draw a card" and loses all other abilities. (It's no longer a creature or planeswalker.)

Enchant creature

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

Flying

When Iridescent Drake enters the battlefield, put target Aura card from a graveyard onto the battlefield under your control attached to Iridescent Drake.

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

Flying

Disturb {2}{U} (You may cast this card from your graveyard transformed for its disturb cost.)

Enchant creature

Enchanted creature gets +1/+1 and has flying.

If Lanterns' Lift would be put into a graveyard from anywhere, exile it instead.

Enchant creature

When Locked in the Cemetery enters the battlefield, if there are five or more cards in your graveyard, tap enchanted creature.

Enchanted creature doesn't untap during its controller's untap step.

{U}, Sacrifice Malevolent Hermit: Counter target noncreature spell unless its controller pays {3}.

Disturb {2}{U} (You may cast this card from your graveyard transformed for its disturb cost.)

Flying

Noncreature spells you control can't be countered.

If Benevolent Geist would be put into a graveyard from anywhere, exile it instead.

{T}, Mill a card: Add {C}. (To mill a card, put the top card of your library into your graveyard.)

Enchant creature

You control enchanted creature.

You may have Mirrorhall Mimic enter the battlefield as a copy of any creature on the battlefield, except it's a Spirit in addition to its other types.

Disturb {3}{U}{U} (You may cast this card from your graveyard transformed for its disturb cost.)

Enchant creature

At the beginning of your upkeep, create a token that's a copy of enchanted creature, except it's a Spirit in addition to its other types.

If Ghastly Mimicry would be put into a graveyard from anywhere, exile it instead.

Permanents don't untap during their controllers' untap steps.

At the beginning of each player's upkeep, that player chooses a permanent for each card in their graveyard, then untaps those permanents.

Flash

Enchant creature

Enchanted creature gets -2/-0 and loses all abilities. (Mutating onto the creature won't give it new abilities. It can gain abilities in other ways.)

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.)

When Overwhelmed Archivist enters the battlefield, draw a card, then discard a card.

Disturb {3}{U} (You may cast this card from your graveyard transformed for its disturb cost.)

Flying

Whenever Archive Haunt attacks, draw a card, then discard a card.

If Archive Haunt would be put into a graveyard from anywhere, exile it instead.

Whenever a land card is put into your graveyard from your library, you may pay {1}. If you do, draw a card.

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.

Whenever River Kelpie or another permanent enters the battlefield from a graveyard, draw a card.

Whenever a player casts a spell from a graveyard, draw a card.

Persist (When this creature dies, if it had no -1/-1 counters on it, return it to the battlefield under its owner's control with a -1/-1 counter on it.)

Enchant creature

When Rousing Read enters the battlefield, draw two cards, then discard a card.

Enchanted creature gets +1/+1 and has flying.

Trample

Runaway Trash-Bot gets +1/+0 for each artifact and/or enchantment card in your graveyard.

Constellation -- Whenever an enchantment enters the battlefield under your control, target player mills two cards.

Whenever another blue creature enters the battlefield under your control, target player mills two cards.

Look at the top four cards of your library. Put two of those cards into your hand and the rest into your graveyard.

Enchant creature

As long as enchanted creature is attacking alone, it can't be blocked.

Enchanted creature has "Whenever this creature deals combat damage to a player, it connives." (Its controller draws a card, then discards a card. If they discarded a nonland card, they put a +1/+1 counter on this creature.)

{3}{U}: Sewer Crocodile can't be blocked this turn. This ability costs {3} less to activate if there are five or more mana values among cards in your graveyard.

Constellation -- Whenever an enchantment enters the battlefield under your control, you may draw a card. If you do, discard a card.

Return target creature to its owner's hand.

Flashback {4}{U} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

As an additional cost to cast this spell, exile three creature cards from your graveyard.

Flying

You may cast Skaab Ruinator from your graveyard.

Sky Diamond enters the battlefield tapped.

{T}: Add {U}.

Flying

Escape--{3}{U}, Exile five other cards from your graveyard. (You may cast this card from your graveyard for its escape cost.)

Skyway Robber escapes with "Whenever Skyway Robber deals combat damage to a player, you may cast an artifact, instant, or sorcery spell from among cards exiled with Skyway Robber without paying its mana cost."

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

Flying

When Sphinx of Uthuun enters the battlefield, 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.

Enchant creature

Enchanted creature has base power and toughness 0/2, has defender, and loses all other abilities.

Defender

{U}: Surge Engine loses defender and gains "This creature can't be blocked."

{2}{U}: Surge Engine becomes blue and has base power and toughness 5/4. Activate only if Surge Engine doesn't have defender.

{4}{U}{U}: Draw three cards. Activate only if Surge Engine is blue and only once.

Sword Coast Serpent can't be blocked as long as you've cast a noncreature spell this turn.

---

Return target creature to its owner's hand. (Then exile this card. You may cast the creature later from exile.)

Flying

When Tower Geist enters the battlefield, look at the top two cards of your library. Put one of them into your hand and the other into your graveyard.

Delve (Each card you exile from your graveyard while casting this spell pays for {1}.)

Draw three cards.

Enchant creature

Enchanted creature gets +2/+0 and can't be blocked.

Heroic -- Whenever you cast a spell that targets Triton Fortune Hunter, draw a card.

Flying

Heroic -- Whenever you cast a spell that targets War-Wing Siren, put a +1/+1 counter on War-Wing Siren.