When Aarakocra Sneak enters the battlefield, you take the initiative.
1 /
4
{0}
Accorder's Shield
Artifact - Equipment
Equipped creature gets +0/+3 and has vigilance. (Attacking doesn't cause it to tap.)
Equip {3} ({3}: Attach to target creature you control. Equip only as a sorcery.)
{U}
Alchemist's Retrieval
Instant
Cleave {1}{U} (You may cast this spell for its cleave cost. If you do, remove the words in square brackets.)
Return target nonland permanent [you control] to its owner's hand.
{U}
Aqueous Form
Enchantment - Aura
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.)
{2}
Arcane Signet
Artifact
{T}: Add one mana of any color in your commander's color identity.
{2}{U}{U}
Archaeomancer
Creature - Human Wizard
When Archaeomancer enters the battlefield, return target instant or sorcery card from your graveyard to your hand.
1 /
2
{2}
Armory of Iroas
Artifact - Equipment
Whenever equipped creature attacks, put a +1/+1 counter on it.
Equip {2} ({2}: Attach to target creature you control. Equip only as a sorcery.)
{2}{U}
Arrester's Admonition
Instant
Return target creature to its owner's hand.
Addendum -- If you cast this spell during your main phase, draw a card.
--
Ash Barrens
Land
{T}: Add {C}.
Basic landcycling {1} ({1}, Discard this card: Search your library for a basic land card, reveal it, put it into your hand, then shuffle.)
{R}
Assault Strobe
Sorcery
Target creature gains double strike until end of turn. (It deals both first-strike and regular combat damage.)
{1}{U}
Assimilate Essence
Instant
Counter target creature or battle spell unless its controller pays {4}. If they do, you incubate 2. (Create an Incubator token with two +1/+1 counters on it and "{2}: Transform this artifact." It transforms into a 0/0 Phyrexian artifact creature.)
{2}{U}
Aura Flux
Enchantment
Other enchantments have "At the beginning of your upkeep, sacrifice this enchantment unless you pay {2}."
{R}
Beamtown Beatstick
Artifact - Equipment
Equipped creature gets +1/+0 and has menace. (It can't be blocked except by two or more creatures.)
Whenever equipped creature deals combat damage to a player or battle, create a Treasure token.
Equip {2} ({2}: Attach to target creature you control. Equip only as a sorcery.)
{5}{U}{ // }{1}{U}
Beluna's Gatekeeper // Entry Denied
Creature - Giant Soldier // Sorcery - Adventure
Return target creature you don't control with mana value 3 or less to its owner's hand. (Then exile this card. You may cast the creature later from exile.)
6 /
5
{3}{R}
Big Score
Instant
As an additional cost to cast this spell, discard a card.
Draw two cards and create two Treasure tokens. (They're artifacts with "{T}, Sacrifice this artifact: Add one mana of any color.")
{2}
Bladed Pinions
Artifact - Equipment
Equipped creature has flying and first strike.
Equip {2}
{2}{U}
Borrowing 100,000 Arrows
Sorcery
Draw a card for each tapped creature target opponent controls.
{U}
Brainstorm
Instant
Draw three cards, then put two cards from your hand on top of your library in any order.
{1}{U}
Callous Dismissal
Sorcery
Return target nonland permanent to its owner's hand.
Amass 1. (Put a +1/+1 counter on an Army you control. If you don't control one, create a 0/0 black Zombie Army creature token first.)
{2}{U}
Catalog
Instant
Draw two cards, then discard a card.
{0}
Cathar's Shield
Artifact - Equipment
Equipped creature gets +0/+3 and has vigilance.
Equip {3} ({3}: Attach to target creature you control. Equip only as a sorcery.)
{1}{R}
Cathartic Reunion
Sorcery
As an additional cost to cast this spell, discard two cards.
Draw three cards.
{2}{U}
Clear the Mind
Sorcery
Target player shuffles their graveyard into their library.
Draw a card.
--
Cliffgate
Land - Gate
Cliffgate enters the battlefield tapped.
As Cliffgate enters the battlefield, choose a color other than red.
{T}: Add {R} or one mana of the chosen color.
{U}
Clockspinning
Instant
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.)
Choose a counter on target permanent or suspended card. Remove that counter from that permanent or card or put another of those counters on it.
--
Command Tower
Land
{T}: Add one mana of any color in your commander's color identity.
{1}{U}
Contentious Plan
Sorcery
Proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)
Draw a card.
{1}{R}
Crown of Fury
Enchantment - Aura
Enchant creature
Enchanted creature gets +1/+0 and has first strike.
Sacrifice Crown of Fury: Enchanted creature and other creatures that share a creature type with it get +1/+0 and gain first strike until end of turn.
{3}{U}
Crush Dissent
Instant
Counter target spell unless its controller pays {2}.
Amass 2. (Put two +1/+1 counters on an Army you control. If you don't control one, create a 0/0 black Zombie Army creature token first.)
{R}
Daring Escape
Instant
Target creature gets +1/+0 and gains first strike until end of turn. Scry 1.
{1}{U}
Deduce
Instant
Draw a card. Investigate. (Create a Clue token. It's an artifact with "{2}, Sacrifice this artifact: Draw a card.")
{1}{U}
Deliberate
Instant
Scry 2, then draw a card.
{1}{R}
Demand Answers
Instant
As an additional cost to cast this spell, sacrifice an artifact or discard a card.
Draw two cards.
{U}
Distortion Strike
Sorcery
Target creature gets +1/+0 until end of turn and can't be blocked this turn.
Rebound (If you cast this spell from your hand, exile it as it resolves. At the beginning of your next upkeep, you may cast this card from exile without paying its mana cost.)
{U}
Dive Down
Instant
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.)
{U}
Downsize
Instant
Target creature you don't control gets -4/-0 until end of turn.
Overload {2}{U} (You may cast this spell for its overload cost. If you do, change "target" in its text to "each.")
{1}{R}
Dragon Fodder
Sorcery
Create two 1/1 red Goblin creature tokens.
{R}
Dust Corona
Enchantment - Aura
Enchant creature
Enchanted creature gets +2/+0 and can't be blocked by creatures with flying.
{2}{R}
Dwarven Hammer
Artifact - Equipment
When Dwarven Hammer enters the battlefield, you may pay {2}. If you do, create a 2/1 red Dwarf Berserker creature token, then attach Dwarven Hammer to it.
Equipped creature gets +3/+0 and has trample.
Equip {3}
{3}{R}
Dwarven Reinforcements
Sorcery
Create two 2/1 red Dwarf Berserker creature tokens.
Foretell {1}{R} (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.)
{1}{U}
Echoing Truth
Instant
Return target nonland permanent and all other permanents with the same name as that permanent to their owners' hands.
{1}{U}
Eel Umbra
Enchantment - 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.)
{1}{U}
Elusive Spellfist
Creature - Human Monk
Whenever you cast a noncreature spell, Elusive Spellfist gets +1/+0 until end of turn and can't be blocked this turn.
1 /
3
{3}{R}
Empty the Warrens
Sorcery
Create two 1/1 red Goblin creature tokens.
Storm (When you cast this spell, copy it for each spell cast before it this turn.)
{1}{R}
Erebor Flamesmith
Creature - Dwarf Artificer
Whenever you cast an instant or sorcery spell, Erebor Flamesmith deals 1 damage to each opponent.
2 /
1
--
Escape Tunnel
Land
{T}, Sacrifice Escape Tunnel: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle.
{T}, Sacrifice Escape Tunnel: Target creature with power 2 or less can't be blocked this turn.
{2}{R}
Etali's Favor
Enchantment - Aura
Enchant creature you control
When Etali's Favor enters the battlefield, discover 3. (Exile cards from the top of your library until you exile a nonland card with mana value 3 or less. Cast it without paying its mana cost or put it into your hand. Put the rest on the bottom in a random order.)
Enchanted creature gets +1/+1 and has trample.
--
Evolving Wilds
Land
{T}, Sacrifice Evolving Wilds: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle.
{1}
Explorer's Scope
Artifact - Equipment
Whenever equipped creature attacks, look at the top card of your library. If it's a land card, you may put it onto the battlefield tapped.
Equip {1} ({1}: Attach to target creature you control. Equip only as a sorcery.)
{1}{R}
Explosive Entry
Sorcery
Destroy up to one target artifact. Put a +1/+1 counter on up to one target creature.
{2}{U}
Eyes of Gitaxias
Sorcery
Incubate 3. (Create an Incubator token with three +1/+1 counters on it and "{2}: Transform this artifact." It transforms into a 0/0 Phyrexian artifact creature.)
Draw a card.
{2}{U}
Fade Away
Sorcery
For each creature, its controller sacrifices a permanent unless they pay {1}.
{R}
Faithless Looting
Sorcery
Draw two cards, then discard two cards.
Flashback {2}{R} (You may cast this card from your graveyard for its flashback cost. Then exile it.)
{5}{R}{R}{ // }{1}{R}
Fang Dragon // Forktail Sweep
Creature - Dragon // Sorcery - Adventure
Flying
Forktail Sweep deals 1 damage to each creature you don't control. (Then exile this card. You may cast the creature later from exile.)
6 /
3
{2}{R}
Fencer's Magemark
Enchantment - Aura
Enchant creature
Creatures you control that are enchanted get +1/+1 and have first strike.
{2}
Fire Diamond
Artifact
Fire Diamond enters the battlefield tapped.
{T}: Add {R}.
{1}{R}
Firebrand Archer
Creature - Human Archer
Whenever you cast a noncreature spell, Firebrand Archer deals 1 damage to each opponent.
2 /
1
{1}{R}
Flaming Sword
Enchantment - Aura
Flash
Enchant creature
Enchanted creature gets +1/+0 and has first strike.
{1}{R}
Fling
Instant
As an additional cost to cast this spell, sacrifice a creature.
Fling deals damage equal to the sacrificed creature's power to any target.
{2}{U}
Flip the Switch
Instant
Counter target spell unless its controller pays {4}. Create a 2/2 black Zombie creature token with decayed. (It can't block. When it attacks, sacrifice it at end of combat.)
{4}{R}
Flurry of Horns
Sorcery
Create two 2/3 red Minotaur creature tokens with haste.
{1}{R}
Forbidden Friendship
Sorcery
Create a 1/1 red Dinosaur creature token with haste and a 1/1 white Human Soldier creature token.
{1}{U}
Glint
Instant
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.)
{U}{R}
Goblin Electromancer
Creature - Goblin Wizard
Instant and sorcery spells you cast cost {1} less to cast.
Create two 1/1 red Goblin Wizard creature tokens with prowess. (Whenever you cast a noncreature spell, they get +1/+1 until end of turn.)
{1}{U}
Goggles of Night
Artifact - Equipment
Whenever equipped creature deals combat damage to a player, scry 1, then draw a card. (To scry 1, look at the top card of your library, then you may put that card on the bottom of your library.)
Equip {2} ({2}: Attach to target creature you control. Equip only as a sorcery.)
{3}{R}
Gravitic Punch
Sorcery
Target creature you control deals damage equal to its power to target player.
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.)
{1}{R}
Grenzo's Cutthroat
Creature - Goblin Rogue
First strike
Dethrone (Whenever this creature attacks the player with the most life or tied for most life, put a +1/+1 counter on it.)
1 /
1
{2}{R}
Guttersnipe
Creature - Goblin Shaman
Whenever you cast an instant or sorcery spell, Guttersnipe deals 2 damage to each opponent.
2 /
2
{U}
Hard Evidence
Sorcery
Create a 0/3 blue Crab creature token.
Investigate. (Create a Clue token. It's an artifact with "{2}, Sacrifice this artifact: Draw a card.")
{3}
Haunted Cloak
Artifact - Equipment
Equipped creature has vigilance, trample, and haste.
Equip {1} ({1}: Attach to target creature you control. Equip only as a sorcery.)
{2}{R}{R}
Heirs of Stromkirk
Creature - Vampire
Intimidate (This creature can't be blocked except by artifact creatures and/or creatures that share a color with it.)
Whenever Heirs of Stromkirk deals combat damage to a player, put a +1/+1 counter on it.
2 /
2
{1}{R}{R}
Hordeling Outburst
Sorcery
Create three 1/1 red Goblin creature tokens.
{2}{U}
Hysterical Blindness
Instant
Creatures your opponents control get -4/-0 until end of turn.
{1}{U}{U}
Ice Out
Instant
Bargain (You may sacrifice an artifact, enchantment, or token as you cast this spell.)
This spell costs {1} less to cast if it's bargained.
Counter target spell.
{1}{U}
Ichor Synthesizer
Creature - Phyrexian Wizard
Whenever you cast a noncreature spell, put an oil counter on Ichor Synthesizer.
As long as Ichor Synthesizer has four or more oil counters on it, it gets +2/+0 and can't be blocked.
1 /
3
{2}{U}
Ichthyomorphosis
Enchantment - Aura
Enchant creature
Enchanted creature loses all abilities and is a blue Fish with base power and toughness 0/1.
{1}{U}
Impede Momentum
Sorcery
Tap target creature and put three stun counters on it. (If a permanent with a stun counter would become untapped, remove one from it instead.)
Scry 1. (Look at the top card of your library. You may put that card on the bottom of your library.)
{1}{U}
Impulse
Instant
Look at the top four cards of your library. Put one of them into your hand and the rest on the bottom of your library in any order.
--
Island
Basic Land - Island
({T}: Add {U}.)
--
Island
Basic Land - Island
({T}: Add {U}.)
--
Island
Basic Land - Island
({T}: Add {U}.)
--
Island
Basic Land - Island
({T}: Add {U}.)
--
Island
Basic Land - Island
({T}: Add {U}.)
--
Island
Basic Land - Island
({T}: Add {U}.)
--
Island
Basic Land - Island
({T}: Add {U}.)
--
Island
Basic Land - Island
({T}: Add {U}.)
--
Island
Basic Land - Island
({T}: Add {U}.)
--
Island
Basic Land - Island
({T}: Add {U}.)
--
Izzet Boilerworks
Land
Izzet Boilerworks enters the battlefield tapped.
When Izzet Boilerworks enters the battlefield, return a land you control to its owner's hand.
{T}: Add {U}{R}.
--
Izzet Guildgate
Land - Gate
Izzet Guildgate enters the battlefield tapped.
{T}: Add {U} or {R}.
{2}
Izzet Signet
Artifact
{1}, {T}: Add {U}{R}.
{2}{U}
Jeskai Windscout
Creature - Bird Scout
Flying
Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.)
2 /
1
{1}{U}
Kasmina's Transmutation
Enchantment - Aura
Enchant creature
Enchanted creature loses all abilities and has base power and toughness 1/1.
{1}{U}
Keep Safe
Instant
Counter target spell that targets a permanent you control.
Draw a card.
{2}{U}
Keep Watch
Instant
Draw a card for each attacking creature.
{R}
Kindled Heroism
Instant
Target creature gets +1/+0 and gains first strike until end of turn. Scry 1.
{1}{R}
Krenko's Command
Sorcery
Create two 1/1 red Goblin creature tokens.
{R}
Kuldotha Rebirth
Sorcery
As an additional cost to cast this spell, sacrifice an artifact.
Create three 1/1 red Goblin creature tokens.
{2}{U}{U}
Lay Bare
Instant
Counter target spell. Look at its controller's hand.
{1}
Leather Armor
Artifact - Equipment
Equipped creature gets +0/+1 and has ward {1}. (Whenever equipped creature becomes the target of a spell or ability an opponent controls, counter it unless that player pays {1}.)
Equip {0}. Activate only once each turn.
{R}
Lightning Bolt
Instant
Lightning Bolt deals 3 damage to any target.
{1}{U}
Lofty Denial
Instant
Counter target spell unless its controller pays {1}. If you control a creature with flying, counter that spell unless its controller pays {4} instead.
--
Maestros Theater
Land
When Maestros Theater enters the battlefield, sacrifice it. When you do, search your library for a basic Island, Swamp, or Mountain card, put it onto the battlefield tapped, then shuffle and you gain 1 life.
{3}
Magnifying Glass
Artifact
{T}: Add {C}.
{4}, {T}: Investigate. (Create a Clue token. It's an artifact with "{2}, Sacrifice this artifact: Draw a card.")
{1}{U}
Mana Leak
Instant
Counter target spell unless its controller pays {3}.
{1}{U}
Memory Lapse
Instant
Counter target spell. If that spell is countered this way, put it on top of its owner's library instead of into that player's graveyard.
{U}
Mind Games
Instant
Buyback {2}{U} (You may pay an additional {2}{U} as you cast this spell. If you do, put this card into your hand as it resolves.)
Tap target artifact, creature, or land.
{2}
Mind Stone
Artifact
{T}: Add {C}.
{1}, {T}, Sacrifice Mind Stone: Draw a card.
{U}
Mizzium Skin
Instant
Target creature you control gets +0/+1 and gains hexproof until end of turn.
Overload {1}{U} (You may cast this spell for its overload cost. If you do, change its text by replacing all instances of "target" with "each.")
{2}{U}
Mocking Sprite
Creature - Faerie Rogue
Flying
Instant and sorcery spells you cast cost {1} less to cast.
2 /
1
{1}{R}{R}
Molten Birth
Sorcery
Create two 1/1 red Elemental creature tokens, then flip a coin. If you win the flip, return Molten Birth to its owner's hand.
--
Molten Tributary
Land - Island Mountain
({T}: Add {U} or {R}.)
Molten Tributary enters the battlefield tapped.
{1}{U}
Moment of Truth
Instant
Look at the top three cards of your library. Put one of those cards into your hand, one into your graveyard, and one on the bottom of your library.
--
Mountain
Basic Land - Mountain
({T}: Add {R}.)
--
Mountain
Basic Land - Mountain
({T}: Add {R}.)
--
Mountain
Basic Land - Mountain
({T}: Add {R}.)
--
Mountain
Basic Land - Mountain
({T}: Add {R}.)
--
Mountain
Basic Land - Mountain
({T}: Add {R}.)
--
Mountain
Basic Land - Mountain
({T}: Add {R}.)
--
Mountain
Basic Land - Mountain
({T}: Add {R}.)
--
Mountain
Basic Land - Mountain
({T}: Add {R}.)
--
Mountain
Basic Land - Mountain
({T}: Add {R}.)
--
Mountain
Basic Land - Mountain
({T}: Add {R}.)
{3}{U}
Murmuring Mystic
Creature - Human Wizard
Whenever you cast an instant or sorcery spell, create a 1/1 blue Bird Illusion creature token with flying.
1 /
5
{U}
Mystic Speculation
Sorcery
Buyback {2} (You may pay an additional {2} as you cast this spell. If you do, put this card into your hand as it resolves.)
Scry 3. (Look at the top three 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}
Navigation Orb
Artifact
{2}, {T}, Sacrifice Navigation Orb: Search your library for up to two basic land cards and/or Gate cards, reveal those cards, put one onto the battlefield tapped and the other into your hand, then shuffle.
{1}{U}
Negate
Instant
Counter target noncreature spell.
{2}
Nimblewright Schematic
Artifact
When Nimblewright Schematic enters the battlefield or is put into a graveyard from the battlefield, create a 1/1 colorless Construct artifact creature token.
{2}{U}
No Escape
Instant
Counter target creature or planeswalker spell. If that spell is countered this way, exile it instead of putting it into its owner's graveyard.
Scry 1.
--
Opal Palace
Land
{T}: Add {C}.
{1}, {T}: Add one mana of any color in your commander's color identity. If you spend this mana to cast your commander, it enters the battlefield with a number of additional +1/+1 counters on it equal to the number of times it's been cast from the command zone this game.
{U}
Opt
Instant
Scry 1.
Draw a card.
{2}
Ornithopter of Paradise
Artifact Creature - Thopter
Flying
{T}: Add one mana of any color.
0 /
2
{R}
Otherworldly Outburst
Instant
Target creature gets +1/+0 until end of turn. When that creature dies this turn, create a 3/2 colorless Eldrazi Horror creature token.
{R}
Overload
Instant
Kicker {2} (You may pay an additional {2} as you cast this spell.)
Destroy target artifact if its mana value is 2 or less. If this spell was kicked, destroy that artifact if its mana value is 5 or less instead.
{1}{U}
Ovinize
Instant
Until end of turn, target creature loses all abilities and has base power and toughness 0/1.
--
Path of Ancestry
Land
Path of Ancestry enters the battlefield tapped.
{T}: Add one mana of any color in your commander's color identity. When that mana is spent to cast a creature spell that shares a creature type with your commander, scry 1. (Look at the top card of your library. You may put that card on the bottom.)
{1}{U}
Pendrell Flux
Enchantment - Aura
Enchant creature
Enchanted creature has "At the beginning of your upkeep, sacrifice this creature unless you pay its mana cost."
{U}
Ponder
Sorcery
Look at the top three cards of your library, then put them back in any order. You may shuffle.
Draw a card.
{U}
Portent
Sorcery
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.
--
Prismari Campus
Land
Prismari Campus enters the battlefield tapped.
{T}: Add {U} or {R}.
{4}, {T}: Scry 1.
{3}{R}
Pyre Hound
Creature - Elemental Dog
Trample
Whenever you cast an instant or sorcery spell, put a +1/+1 counter on Pyre Hound.
2 /
3
{3}{R}
Pyroceratops
Creature - Elemental Dinosaur
Trample
Whenever you cast a noncreature spell, put a +1/+1 counter on Pyroceratops.
2 /
3
{2}{U}
Quick Study
Instant
Draw two cards.
{1}{R}
Rain of Embers
Sorcery
Rain of Embers deals 1 damage to each creature and each player.
{3}{U}
Rain of Revelation
Instant
Draw three cards, then discard a card.
{1}{R}
Raking Claws
Instant
Target creature gains double strike until end of turn.
Cycling {2} ({2}, Discard this card: Draw a card.)
{2}{U}
Rakshasa's Disdain
Instant
Counter target spell unless its controller pays {1} for each card in your graveyard.
{1}{R}
Ral's Reinforcements
Sorcery
Create two 1/1 blue and red Elemental creature tokens.
{1}{R}
Rally at the Hornburg
Sorcery
Create two 1/1 white Human Soldier creature tokens. Humans you control gain haste until end of turn.
{1}{R}{ // }{2}{R}
Ratcatcher Trainee // Pest Problem
Creature - Human Peasant // Instant - Adventure
As long as it's your turn, Ratcatcher Trainee has first strike.
Create two 1/1 black Rat creature tokens with "This creature can't block." (Then exile this card. You may cast the creature later from exile.)
2 /
1
{2}{U}
Ravenform
Sorcery
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.)
{1}{U}
Reality Ripple
Instant
Target artifact, creature, or land 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.)
{1}{U}
Reasonable Doubt
Instant
Counter target spell unless its controller pays {2}.
Suspect up to one target creature. (A suspected creature has menace and can't block.)
{R}
Reflexes
Enchantment - Aura
Enchant creature (Target a creature as you cast this. This card enters the battlefield attached to that creature.)
Enchanted creature has first strike. (It deals combat damage before creatures without first strike.)
{1}{U}
Resculpt
Instant
Exile target artifact or creature. Its controller creates a 4/4 blue and red Elemental creature token.
{3}{U}
Revenge of the Drowned
Instant
Target creature's owner puts it on the top or bottom of their library. You create a 2/2 black Zombie creature token with decayed. (It can't block. When it attacks, sacrifice it at end of combat.)
{1}{R}
Run Amok
Instant
Target attacking creature gets +3/+3 and gains trample until end of turn.
{1}{U}
Run Away Together
Instant
Choose two target creatures controlled by different players. Return those creatures to their owners' hands.
{3}{U}
Run Out of Town
Instant
The owner of target nonland permanent puts it on the top or bottom of their library.
{R}
Rush of Adrenaline
Instant
Target creature gets +2/+1 and gains trample until end of turn.
{7}
Scour from Existence
Instant
Exile target permanent.
--
Sea Gate
Land - Gate
Sea Gate enters the battlefield tapped.
As Sea Gate enters the battlefield, choose a color other than blue.
{T}: Add {U} or one mana of the chosen color.
{1}{U}
See Beyond
Sorcery
Draw two cards, then shuffle a card from your hand into your library.
{R}
Seething Anger
Sorcery
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.)
Target creature gets +3/+0 until end of turn.
{U}
Serum Visions
Sorcery
Draw a card. Scry 2.
{1}{R}
Shattering Pulse
Instant
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.)
Destroy target artifact.
{1}{U}
Shimmer of Possibility
Sorcery
Look at the top four cards of your library. Put one of them into your hand and the rest on the bottom of your library in a random order.
{3}{U}{U}
Shipwreck Dowser
Creature - Merfolk Wizard
Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.)
When Shipwreck Dowser enters the battlefield, return target instant or sorcery card from your graveyard to your hand.
3 /
3
{U}
Shore Up
Instant
Target creature you control gets +1/+1 and gains hexproof until end of turn. Untap it. (It can't be the target of spells or abilities your opponents control.)
--
Silverbluff Bridge
Artifact Land
Silverbluff Bridge enters the battlefield tapped.
Indestructible
{T}: Add {U} or {R}.
{1}{U}
Snap
Instant
Return target creature to its owner's hand. Untap up to two lands.
{1}{U}
Spell Rupture
Instant
Counter target spell unless its controller pays {X}, where X is the greatest power among creatures you control.
{2}{R}
Spellgorger Weird
Creature - Weird
Whenever you cast a noncreature spell, put a +1/+1 counter on Spellgorger Weird.
2 /
2
{U}{R}
Sprite Dragon
Creature - Faerie Dragon
Flying, haste
Whenever you cast a noncreature spell, put a +1/+1 counter on Sprite Dragon.
1 /
1
{1}{R}
Stolen Vitality
Instant
Target creature gets +3/+1 until end of turn. If it's your turn, that creature gains trample until end of turn. Otherwise, it gains first strike until end of turn.
{2}{R}
Swarming of Moria
Sorcery
Create a Treasure token. (It's an artifact with "{T}, Sacrifice this artifact: Add one mana of any color.")
Amass Orcs 2. (Put two +1/+1 counters on an Army you control. It's also an Orc. If you don't control an Army, create a 0/0 black Orc Army creature token first.)
{5}{U}{U}{ // }{1}{U}
Sword Coast Serpent // Capsizing Wave
Creature - Serpent Dragon // Instant - Adventure
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.)
6 /
6
{1}{R}
Temur Battle Rage
Instant
Target creature gains double strike until end of turn.
Ferocious -- That creature also gains trample until end of turn if you control a creature with power 4 or greater.
--
Terramorphic Expanse
Land
{T}, Sacrifice Terramorphic Expanse: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle.
{2}{U}
Theft of Dreams
Sorcery
Draw a card for each tapped creature target opponent controls.
{1}{U}{U}
Thought Collapse
Instant
Counter target spell. Its controller mills three cards.
--
Thriving Bluff
Land
Thriving Bluff enters the battlefield tapped.
As Thriving Bluff enters the battlefield, choose a color other than red.
{T}: Add {R} or one mana of the chosen color.
--
Thriving Isle
Land
Thriving Isle enters the battlefield tapped.
As Thriving Isle enters the battlefield, choose a color other than blue.
{T}: Add {U} or one mana of the chosen color.
{U}
Turn Aside
Instant
Counter target spell that targets a permanent you control.
{2}{U}
Unwind
Instant
Counter target noncreature spell. Untap up to three lands.
{2}{U}
Vex
Instant
Counter target spell. That spell's controller may draw a card.
--
Volatile Fjord
Snow Land - Island Mountain
({T}: Add {U} or {R}.)
Volatile Fjord enters the battlefield tapped.
{2}
Vorrac Battlehorns
Artifact - Equipment
Equipped creature has trample and can't be blocked by more than one creature.
Equip {1} ({1}: Attach to target creature you control. Equip only as a sorcery. This card enters the battlefield unattached and stays on the battlefield if the creature leaves.)
{1}{U}
Water Wings
Instant
Until end of turn, target creature you control has base power and toughness 4/4 and gains flying and hexproof. (It can't be the target of spells or abilities your opponents control.)
{1}
Wayfarer's Bauble
Artifact
{2}, {T}, Sacrifice Wayfarer's Bauble: Search your library for a basic land card, put that card onto the battlefield tapped, then shuffle.
{1}{U}{R}
Wee Dragonauts
Creature - Faerie Wizard
Flying
Whenever you cast an instant or sorcery spell, Wee Dragonauts gets +2/+0 until end of turn.
1 /
3
{1}{R}
Whirling Strike
Instant
Target creature gets +2/+0 and gains first strike and trample until end of turn.
{U}
Whispers of the Muse
Instant
Buyback {5} (You may pay an additional {5} as you cast this spell. If you do, put this card into your hand as it resolves.)
Draw a card.
{1}{R}
Antagonize
Instant
Target creature gets +4/+3 until end of turn.
{1}{U}{U}
Capsize
Instant
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.
{U}{R}
Chemister's Trick
Instant
Target creature you don't control gets -2/-0 until end of turn and attacks this turn if able.
Overload {3}{U}{R} (You may cast this spell for its overload cost. If you do, change its text by replacing all instances of "target" with "each.")
{3}{U}
Elgaud Shieldmate
Creature - Human Soldier
Soulbond (You may pair this creature with another unpaired creature when either enters the battlefield. They remain paired for as long as you control both of them.)
As long as Elgaud Shieldmate is paired with another creature, both creatures have hexproof. (They can't be the targets of spells or abilities your opponents control.)
2 /
3
{2}
Elsewhere Flask
Artifact
When Elsewhere Flask enters the battlefield, draw a card.
Sacrifice Elsewhere Flask: Choose a basic land type. Each land you control becomes that type until end of turn.
{R}
Eternal Warrior
Enchantment - Aura
Enchant creature
Enchanted creature has vigilance.
{R}
Experimental Synthesizer
Artifact
When Experimental Synthesizer enters or leaves the battlefield, exile the top card of your library. Until end of turn, you may play that card.
{2}{R}, Sacrifice Experimental Synthesizer: Create a 2/2 white Samurai creature token with vigilance. Activate only as a sorcery.
{1}{R}
Ghitu Amplifier
Creature - Human Wizard
Kicker {2}{U} (You may pay an additional {2}{U} as you cast this spell.)
When Ghitu Amplifier enters the battlefield, if it was kicked, return target creature an opponent controls to its owner's hand.
Whenever you cast an instant or sorcery spell, Ghitu Amplifier gets +2/+0 until end of turn.
1 /
2
{2}
Goldvein Pick
Artifact - Equipment
Equipped creature gets +1/+1.
Whenever equipped creature deals combat damage to a player, create a Treasure token. (It's an artifact with "{T}, Sacrifice this artifact: Add one mana of any color.")
Equip {1} ({1}: Attach to target creature you control. Equip only as a sorcery.)
{2}{U}
Guildpact Informant
Creature - Faerie Rogue
Flying
Whenever Guildpact Informant deals combat damage to a player or planeswalker, proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)
1 /
1
{1}{U}
Make Disappear
Instant
Casualty 1 (As you cast this spell, you may sacrifice a creature with power 1 or greater. When you do, copy this spell and you may choose a new target for the copy.)
Counter target spell unless its controller pays {2}.
{U}
Mana Chains
Enchantment - Aura
Enchant creature
Enchanted creature has "Cumulative upkeep {1}." (At the beginning of its controller's upkeep, that player puts an age counter on it, then sacrifices it unless they pay its upkeep cost for each age counter on it.)
{3}{U}
Mistford River Turtle
Creature - Turtle
Whenever Mistford River Turtle attacks, another target attacking non-Human creature can't be blocked this turn.
1 /
5
{R}
Panic
Instant
Cast this spell only during combat before blockers are declared.
Target creature can't block this turn.
Draw a card at the beginning of the next turn's upkeep.
{1}
Relic of Progenitus
Artifact
{T}: Target player exiles a card from their graveyard.
{1}, Exile Relic of Progenitus: Exile all graveyards. Draw a card.
{2}{U}
Rethink
Instant
Counter target spell unless its controller pays {X}, where X is its mana value.
{2}{U}
Rhystic Deluge
Enchantment
{U}: Tap target creature unless its controller pays {1}.
{1}{U}
Serpentine Ambush
Instant
Until end of turn, target creature becomes a blue Serpent with base power and toughness 5/5.
{1}{U}
Thrummingbird
Creature - Phyrexian Bird Horror
Flying
Whenever Thrummingbird deals combat damage to a player, proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)