Sacrifice Alchemist's Apprentice: Draw a card.

Flash

Enchant creature

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

Draw three cards, then put a card from your hand on the bottom of your library.

When Archaeomancer enters the battlefield, return target instant or sorcery card from your graveyard to your hand.

Return target creature to its owner's hand.

Addendum -- If you cast this spell during your main phase, draw a card.

Draw two cards. If you control no artifacts, discard a card.

Enchant creature

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

Enchant creature an opponent controls

Whenever enchanted creature becomes tapped, you draw a card.

Counter target creature spell.

Draw a card.

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

Draw two cards, then discard a card.

Flying

When Cloudkin Seer enters the battlefield, draw a card.

Target player draws three cards. Then that player discards two cards unless they discard a land card.

Counter target spell that targets a creature.

Draw a card.

Tap target creature. It doesn't untap during its controller's next untap step.

Draw a card.

You may return an Island you control to its owner's hand rather than pay this spell's mana cost.

Counter target spell unless its controller pays {1}.

Target creature gains flying until end of turn.

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

Counter target spell. If that spell is countered this way, exile it instead of putting it into its owner's graveyard. You may shuffle up to four target cards from your graveyard into your library.

Exile up to two target creatures you control, then return those cards to the battlefield under their owner's control.

Counter target instant or sorcery spell unless its controller pays {1}.

Draw a card.

Target creature you control gets +0/+3 and gains hexproof until end of turn. (It can't be the target of spells or abilities your opponents control.)

Draw two cards.

Return target creature to its owner's hand.

Draw a card.

Flying

When Dream Thief enters the battlefield, draw a card if you've cast another blue spell this turn.

Whenever Drelnoch becomes blocked, you may draw two cards.

Draw three cards, then discard a card.

Kicker {2}{U} (You may pay an additional {2}{U} as you cast this spell.)

Draw two cards. If this spell was kicked, draw three cards instead.

Equipped creature has flying and haste.

Equip {2} ({2}: Attach to target creature you control. Equip only as a sorcery.)

{T}, Sacrifice Flight Spellbomb: Target creature gains flying until end of turn.

When Flight Spellbomb is put into a graveyard from the battlefield, you may pay {U}. If you do, draw a card.

Up to two target creatures can't be blocked this turn.

Exile two target artifacts, creatures, and/or lands you control, then return those cards to the battlefield under your control.

Draw two cards.

Cycling {U} ({U}, Discard this card: Draw a card.)

Enchant creature

Enchanted creature has flying.

{2}, Sacrifice Illuminated Wings: Draw a card.

Target creature can't be blocked this turn.

You have no maximum hand size.

If an effect causes you to discard a card, discard it, but you may put it on top of your library instead of into your graveyard.

When Mana Geode enters the battlefield, scry 1.

{T}: Add one mana of any color.

Counter target spell unless its controller pays {3}.

Target creature gets +1/+1 and gains flying until end of turn.

Jump-start (You may cast this card from your graveyard by discarding a card in addition to paying its other costs. Then exile this card.)

When Merchant of Secrets enters the battlefield, draw a card.

Defender

Your maximum hand size is increased by one.

{T}: Add {C}.

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

Defender

When Mnemonic Wall enters the battlefield, you may return target instant or sorcery card from your graveyard to your hand.

Flying

When Mulldrifter enters the battlefield, draw two cards.

Evoke {2}{U} (You may cast this spell for its evoke cost. If you do, it's sacrificed when it enters the battlefield.)

Flying

When Muse Drake enters the battlefield, 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 you draw your second card each turn, Mystic Skyfish gains flying until end of turn.

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.)

When Nimble Innovator enters the battlefield, draw a card.

Ninjutsu {1}{U} ({1}{U}, Return an unblocked attacker you control to hand: Put this card onto the battlefield from your hand tapped and attacking.)

Whenever Ninja of the Deep Hours deals combat damage to a player, you may draw a card.

This spell costs {2} less to cast if you control a Human creature and a non-Human creature.

Draw two cards.

Target player draws a card.

Retrace (You may cast this card from your graveyard by discarding a land card in addition to paying its other costs.)

Scry 1.

Draw a card.

Draw two cards, then sacrifice a permanent.

Draw two cards. Create a Treasure token. (It's an artifact with "{T}, Sacrifice this artifact: Add one mana of any color.")

Look at the top three cards of your library, then put them back in any order. You may shuffle.

Draw a card.

Draw a card.

Jump-start (You may cast this card from your graveyard by discarding a card in addition to paying its other costs. Then exile this card.)

Counter target noncreature spell.

Draw a card.

Scry 2, then draw a card.

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

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

Enchanted creature has flying. (It can't be blocked except by creatures with flying or reach.)

{U}: Return Shimmering Wings to its owner's hand.

Draw three cards, then discard a card.

Enchant creature

Whenever enchanted creature deals damage to a player, return target creature that player controls to its owner's hand.

Exile target creature you control, then return that card to the battlefield under its owner's control. If a Pirate was exiled this way, draw a card.

Flying

When Skyscanner enters the battlefield, draw a card.

Flying

{2}, Return a land you control to its owner's hand: Target creature with power 2 or less can't be blocked this turn.

Flying

{3}, Return a land you control to its owner's hand: Target creature you control gains shroud until end of turn. (It can't be the target of spells or abilities.)

Flash

Enchant creature you control

When Starlit Mantle 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.

Enchant creature

When Stratus Walk enters the battlefield, draw a card.

Enchanted creature has flying. (It can't be blocked except by creatures with flying or reach.)

Enchanted creature can block only creatures with flying.

Return target creature to its owner's hand.

Draw a card.

Exile target permanent you control. Return that card to the battlefield under its owner's control at the beginning of the next end step. If it enters the battlefield as a creature, it enters with an additional +1/+1 counter on it.

Draw a card.

Flashback {2}{U} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Flying

When Tome Raider enters the battlefield, draw a card.

Replicate {1}{U} (When you cast this spell, copy it for each time you paid its replicate cost.)

Draw a card.

Draw three cards.

Adamant -- If at least three blue mana was spent to cast this spell, scry 3.

Target creature gains shroud until end of turn and can't be blocked this turn. (A creature with shroud can't be the target of spells or abilities.)

Splice onto Arcane--Return a blue creature you control to its owner's hand. (As you cast an Arcane spell, you may reveal this card from your hand and pay its splice cost. If you do, add this card's effects to that spell.)

Each player draws two cards.

Draw two cards.

Flying

Cycling {U} ({U}, Discard this card: Draw a card.)

When you cycle Windcaller Aven, target creature gains flying until end of turn.

When Witching Well enters the battlefield, scry 2. (Look at the top two cards of your library, then put any number of them on the bottom of your library and the rest on top in any order.)

{3}{U}, Sacrifice Witching Well: Draw two cards.