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.)
{3}{U}
Azure Fleet Admiral
Creature - Human Pirate
When Azure Fleet Admiral enters the battlefield, you become the monarch.
Azure Fleet Admiral can't be blocked by creatures the monarch controls.
3 /
3
{2}{U}
Benthic Infiltrator
Creature - Eldrazi Drone
Devoid (This card has no color.)
Ingest (Whenever this creature deals combat damage to a player, that player exiles the top card of their library.)
Benthic Infiltrator can't be blocked.
1 /
4
{1}{U}
Blighted Agent
Creature - Phyrexian Human Rogue
Infect (This creature deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.)
Blighted Agent can't be blocked.
1 /
1
{1}{B}{B}
Blind Zealot
Creature - Phyrexian Human Cleric
Intimidate (This creature can't be blocked except by artifact creatures and/or creatures that share a color with it.)
Whenever Blind Zealot deals combat damage to a player, you may sacrifice it. If you do, destroy target creature that player controls.
2 /
2
{U}
Brainstorm
Instant
Draw three cards, then put two cards from your hand on top of your library in any order.
{1}{B}
Cast Down
Instant
Destroy target nonlegendary creature.
{2}{U}
Cephalid Pathmage
Creature - Cephalid Wizard
Cephalid Pathmage can't be blocked.
{T}, Sacrifice Cephalid Pathmage: Target creature can't be blocked this turn.
1 /
2
--
Command Tower
Land
{T}: Add one mana of any color in your commander's color identity.
{3}
Commander's Sphere
Artifact
{T}: Add one mana of any color in your commander's color identity.
Sacrifice Commander's Sphere: Draw a card.
{U}{U}
Counterspell
Instant
Counter target spell.
--
Dimir Aqueduct
Land
Dimir Aqueduct enters the battlefield tapped.
When Dimir Aqueduct enters the battlefield, return a land you control to its owner's hand.
{T}: Add {U}{B}.
{3}
Dimir Cluestone
Artifact
{T}: Add {U} or {B}.
{U}{B}, {T}, Sacrifice Dimir Cluestone: Draw a card.
--
Dimir Guildgate
Land - Gate
Dimir Guildgate enters the battlefield tapped.
{T}: Add {U} or {B}.
{U}{B}
Dimir Infiltrator
Creature - Spirit
Dimir Infiltrator can't be blocked.
Transmute {1}{U}{B} ({1}{U}{B}, Discard this card: Search your library for a card with the same mana value as this card, reveal it, put it into your hand, then shuffle. Transmute only as a sorcery.)
1 /
3
{2}
Dimir Signet
Artifact
{1}, {T}: Add {U}{B}.
{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.)
{1}{B}
Doom Blade
Instant
Destroy target nonblack creature.
{1}{U}
Escape Artist
Creature - Human Wizard
Escape Artist can't be blocked.
{U}, Discard a card: Return Escape Artist to its owner's hand.
1 /
1
{1}{B}
Eternal Thirst
Enchantment - Aura
Enchant creature
Enchanted creature has lifelink and "Whenever a creature an opponent controls dies, put a +1/+1 counter on this creature." (Damage dealt by a creature with lifelink also causes its controller to gain that much life.)
--
Evolving Wilds
Land
{T}, Sacrifice Evolving Wilds: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle.
{2}{U}
Fade Away
Sorcery
For each creature, its controller sacrifices a permanent unless they pay {1}.
{2}{B}{B}
Feed the Serpent
Instant
Exile target creature or planeswalker.
{1}{B}
Feed the Swarm
Sorcery
Destroy target creature or enchantment an opponent controls. You lose life equal to that permanent's mana value.
{B}
Feign Death
Instant
Until end of turn, target creature gains "When this creature dies, return it to the battlefield tapped under its owner's control with a +1/+1 counter on it."
{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.)
{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.)
{1}{U}
Gray Harbor Merfolk
Creature - Merfolk Rogue
Gray Harbor Merfolk can't be blocked.
Gray Harbor Merfolk gets +2/+0 as long as you control a commander that's a creature or planeswalker.
0 /
3
--
Grixis Panorama
Land
{T}: Add {C}.
{1}, {T}, Sacrifice Grixis Panorama: Search your library for a basic Island, Swamp, or Mountain card, put it onto the battlefield tapped, then shuffle.
--
Halimar Depths
Land
Halimar Depths enters the battlefield tapped.
When Halimar Depths enters the battlefield, look at the top three cards of your library, then put them back in any order.
{T}: Add {U}.
{1}{B}
Hoard Robber
Creature - Tiefling Rogue
Whenever Hoard Robber 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.")
1 /
3
{3}
Honored Heirloom
Artifact
{T}: Add one mana of any color.
{2}, {T}: Exile target card from a graveyard.
{2}{U}
Ichthyomorphosis
Enchantment - Aura
Enchant creature
Enchanted creature loses all abilities and is a blue Fish with base power and toughness 0/1.
{2}{U}
Infiltrator's Magemark
Enchantment - Aura
Enchant creature
Creatures you control that are enchanted get +1/+1 and can't be blocked except by creatures with defender.
--
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}.)
--
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}.)
{B}
Kaya's Ghostform
Enchantment - Aura
Enchant creature or planeswalker you control
When enchanted permanent dies or is put into exile, return that card to the battlefield under your control.
{1}{U}
Keep Safe
Instant
Counter target spell that targets a permanent you control.
Draw a card.
{U}{B}
Krydle of Baldur's Gate
Legendary Creature - Human Elf Rogue
Whenever Krydle of Baldur's Gate deals combat damage to a player, that player loses 1 life and mills a card, then you gain 1 life and scry 1.
Whenever you attack, you may pay {2}. If you do, target creature can't be blocked this turn.
1 /
3
{3}
Letter of Acceptance
Artifact
{T}: Add one mana of any color.
{2}, {T}, Sacrifice Letter of Acceptance: Draw a card.
--
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}{B}
Midnight Recovery
Sorcery
Return target creature card from your graveyard to your hand.
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.)
{2}
Mind Stone
Artifact
{T}: Add {C}.
{1}, {T}, Sacrifice Mind Stone: Draw a card.
{U}
Mist-Cloaked Herald
Creature - Merfolk Warrior
Mist-Cloaked Herald can't be blocked.
1 /
1
{2}{U}
Mistblade Shinobi
Creature - Human Ninja
Ninjutsu {U} ({U}, Return an unblocked attacker you control to hand: Put this card onto the battlefield from your hand tapped and attacking.)
Whenever Mistblade Shinobi deals combat damage to a player, you may return target creature that player controls to its owner's hand.
1 /
1
{1}{U}
Moon-Circuit Hacker
Enchantment Creature - Human Ninja
Ninjutsu {U} ({U}, Return an unblocked attacker you control to hand: Put this card onto the battlefield from your hand tapped and attacking.)
Whenever Moon-Circuit Hacker deals combat damage to a player, you may draw a card. If you do, discard a card unless Moon-Circuit Hacker entered the battlefield this turn.
2 /
1
{3}{U}
Moonblade Shinobi
Creature - Human Ninja
Ninjutsu {2}{U} ({2}{U}, Return an unblocked attacker you control to hand: Put this card onto the battlefield from your hand tapped and attacking.)
Whenever Moonblade Shinobi deals combat damage to a player, create a 1/1 blue Illusion creature token with flying.
3 /
2
{3}{B}
Mukotai Ambusher
Artifact Creature - Rat Ninja
Ninjutsu {1}{B} ({1}{B}, Return an unblocked attacker you control to hand: Put this card onto the battlefield from your hand tapped and attacking.)
Lifelink
3 /
2
{1}{B}{B}
Murder
Instant
Destroy target creature.
{2}{B}{B}
Necromantic Thirst
Enchantment - Aura
Enchant creature
Whenever enchanted creature deals combat damage to a player, you may return target creature card from your graveyard to your hand.
{1}{U}
Negate
Instant
Counter target noncreature spell.
{1}{U}{U}
Neurok Invisimancer
Creature - Human Wizard
Neurok Invisimancer can't be blocked.
When Neurok Invisimancer enters the battlefield, target creature can't be blocked this turn.
2 /
1
{3}{U}
Ninja of the Deep Hours
Creature - Human Ninja
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.
2 /
2
{2}{B}
Ob Nixilis's Cruelty
Instant
Target creature gets -5/-5 until end of turn. If that creature would die this turn, exile it instead.
--
Obscura Storefront
Land
When Obscura Storefront enters the battlefield, sacrifice it. When you do, search your library for a basic Plains, Island, or Swamp card, put it onto the battlefield tapped, then shuffle and you gain 1 life.
{3}{B}{B}
Okiba-Gang Shinobi
Creature - Rat Ninja
Ninjutsu {3}{B} ({3}{B}, Return an unblocked attacker you control to hand: Put this card onto the battlefield from your hand tapped and attacking.)
Whenever Okiba-Gang Shinobi deals combat damage to a player, that player discards two cards.
3 /
2
{2}{U}
Ophidian Eye
Enchantment - Aura
Flash (You may cast this spell any time you could cast an instant.)
Enchant creature
Whenever enchanted creature deals damage to an opponent, you may draw a card.
{1}{U}
Passwall Adept
Creature - Human Wizard
{2}{U}: Target creature can't be blocked this turn.
1 /
3
{1}{U}{U}
Phantom Ninja
Creature - Illusion Ninja
Phantom Ninja can't be blocked.
2 /
2
{1}{U}{U}
Phantom Warrior
Creature - Illusion Warrior
Phantom Warrior can't be blocked.
2 /
2
{3}{U}
Protective Bubble
Enchantment - Aura
Enchant creature
Enchanted creature can't be blocked and has shroud. (It can't be the target of spells or abilities.)
{2}{U}
Scroll Thief
Creature - Merfolk Rogue
Whenever Scroll Thief deals combat damage to a player, draw a card.
1 /
3
{U}
Slither Blade
Creature - Naga Rogue
Slither Blade can't be blocked.
1 /
2
{2}{B}
Soul Salvage
Sorcery
Return up to two target creature cards from your graveyard to your hand.
{2}{U}
Soulknife Spy
Creature - Elf Rogue
Whenever Soulknife Spy deals combat damage to a player, draw a card.
3 /
2
--
Swamp
Basic Land - Swamp
({T}: Add {B}.)
--
Swamp
Basic Land - Swamp
({T}: Add {B}.)
--
Swamp
Basic Land - Swamp
({T}: Add {B}.)
--
Swamp
Basic Land - Swamp
({T}: Add {B}.)
--
Swamp
Basic Land - Swamp
({T}: Add {B}.)
--
Swamp
Basic Land - Swamp
({T}: Add {B}.)
--
Swamp
Basic Land - Swamp
({T}: Add {B}.)
--
Swamp
Basic Land - Swamp
({T}: Add {B}.)
--
Swamp
Basic Land - Swamp
({T}: Add {B}.)
--
Swamp
Basic Land - Swamp
({T}: Add {B}.)
--
Swamp
Basic Land - Swamp
({T}: Add {B}.)
{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}{U}
Teferi's Time Twist
Instant
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.
--
Terramorphic Expanse
Land
{T}, Sacrifice Terramorphic Expanse: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle.
{3}{B}
Thorn of the Black Rose
Creature - Human Assassin
Deathtouch
When Thorn of the Black Rose enters the battlefield, you become the monarch.
1 /
3
{U}
Triton Shorestalker
Creature - Merfolk Rogue
Triton Shorestalker can't be blocked.
1 /
1
{B}
Undying Malice
Instant
Until end of turn, target creature gains "When this creature dies, return it to the battlefield tapped under its owner's control with a +1/+1 counter on it."
{2}{U}
Unwind
Instant
Counter target noncreature spell. Untap up to three lands.
{2}{B}
Vraska's Fall
Instant
Each opponent sacrifices a creature or planeswalker and gets a poison counter.
{3}
Whispersilk Cloak
Artifact - Equipment
Equipped creature can't be blocked and has shroud. (It can't be the target of spells or abilities.)
Equip {2}
{2}{B}
Yuan-Ti Fang-Blade
Creature - Snake Rogue
Deathtouch
Whenever Yuan-Ti Fang-Blade deals combat damage to a player, venture into the dungeon. (Enter the first room or advance to the next room.)