You have hexproof. (You can't be the target of spells or abilities your opponents control.)
2 /
1
{1}
Aether Spellbomb
Artifact
{U}, Sacrifice Aether Spellbomb: Return target creature to its owner's hand.
{1}, Sacrifice Aether Spellbomb: Draw a card.
{1}{W}{U}{B}
Alela, Artful Provocateur
Legendary Creature - Faerie Warlock
Flying, deathtouch, lifelink
Other creatures you control with flying get +1/+0.
Whenever you cast an artifact or enchantment spell, create a 1/1 blue Faerie creature token with flying.
2 /
3
{1}
Altar of the Brood
Artifact
Whenever another permanent enters the battlefield under your control, each opponent mills a card.
--
Ancient Den
Artifact Land
{T}: Add {W}.
{3}{W}
Anointed Procession
Enchantment
If an effect would create one or more tokens under your control, it creates twice that many of those tokens instead.
{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.)
--
Arcane Lighthouse
Land
{T}: Add {C}.
{1}, {T}: Until end of turn, creatures your opponents control lose hexproof and shroud and can't have hexproof or shroud.
--
Arcane Sanctum
Land
Arcane Sanctum enters the battlefield tapped.
{T}: Add {W}, {U}, or {B}.
{2}
Armillary Sphere
Artifact
{2}, {T}, Sacrifice Armillary Sphere: Search your library for up to two basic land cards, reveal them, put them into your hand, then shuffle.
{2}{W}
Arrest
Enchantment - Aura
Enchant creature
Enchanted creature can't attack or block, and its activated abilities can't be activated.
{1}{W}{W}
Aura of Silence
Enchantment
Artifact and enchantment spells your opponents cast cost {2} more to cast.
Sacrifice Aura of Silence: Destroy target artifact or enchantment.
{W}
Authority of the Consuls
Enchantment
Creatures your opponents control enter the battlefield tapped.
Whenever a creature enters the battlefield under an opponent's control, you gain 1 life.
{2}
Azorius Signet
Artifact
{1}, {T}: Add {W}{U}.
{U}{B}
Baleful Strix
Artifact Creature - Bird
Flying, deathtouch
When Baleful Strix enters the battlefield, draw a card.
1 /
1
{2}{U}{U}
Bident of Thassa
Legendary Enchantment Artifact
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.
{2}
Blackblade Reforged
Legendary Artifact - Equipment
Equipped creature gets +1/+1 for each land you control.
Equip legendary creature {3}
Equip {7}
{1}{W}
Blind Obedience
Enchantment
Extort (Whenever you cast a spell, you may pay {W/B}. If you do, each opponent loses 1 life and you gain that much life.)
Artifacts and creatures your opponents control enter the battlefield tapped.
{1}{W}
Brave the Sands
Enchantment
Creatures you control have vigilance.
Each creature you control can block an additional creature each combat.
{U}{U}
Carry Away
Enchantment - Aura
Enchant Equipment
When Carry Away enters the battlefield, unattach enchanted Equipment.
You control enchanted Equipment.
--
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.
{1}{U}
Courier's Capsule
Artifact
{1}{U}, {T}, Sacrifice Courier's Capsule: Draw two cards.
--
Detection Tower
Land
{T}: Add {C}.
{1}, {T}: Until end of turn, your opponents and creatures your opponents control with hexproof can be the targets of spells and abilities you control as though they didn't have hexproof.
{2}
Dimir Signet
Artifact
{1}, {T}: Add {U}{B}.
--
Drowned Catacomb
Land
Drowned Catacomb enters the battlefield tapped unless you control an Island or a Swamp.
{T}: Add {U} or {B}.
{1}
Elixir of Immortality
Artifact
{2}, {T}: You gain 5 life. Shuffle Elixir of Immortality and your graveyard into their owner's library.
{1}{U}{U}
Encrust
Enchantment - Aura
Enchant artifact or creature
Enchanted permanent doesn't untap during its controller's untap step and its activated abilities can't be activated.
{1}{U}
Ensoul Artifact
Enchantment - Aura
Enchant artifact
Enchanted artifact is a creature with base power and toughness 5/5 in addition to its other types.
{4}{W}{B}
Ethereal Absolution
Enchantment
Creatures you control get +1/+1.
Creatures your opponents control get -1/-1.
{2}{W}{B}: Exile target card from an opponent's graveyard. If it was a creature card, you create a 1/1 white and black Spirit creature token with flying.
{4}{U}
Ethersworn Adjudicator
Artifact Creature - Vedalken Knight
Flying
{1}{W}{B}, {T}: Destroy target creature or enchantment.
{2}{U}: Untap Ethersworn Adjudicator.
4 /
4
{4}{U}
Faerie Formation
Creature - Faerie
Flying
{3}{U}: Create a 1/1 blue Faerie creature token with flying. Draw a card.
5 /
4
{1}{U}
Favorable Winds
Enchantment
Creatures you control with flying get +1/+1.
{2}{U}
Fraying Sanity
Enchantment - Aura Curse
Enchant player
At the beginning of each end step, enchanted player mills X cards, where X is the number of cards put into their graveyard from anywhere this turn.
{3}{U}
Frozen Aether
Enchantment
Artifacts, creatures, and lands your opponents control enter the battlefield tapped.
{2}{W}
Ghostly Prison
Enchantment
Creatures can't attack you unless their controller pays {2} for each creature they control that's attacking you.
--
Glacial Fortress
Land
Glacial Fortress enters the battlefield tapped unless you control a Plains or an Island.
{T}: Add {W} or {U}.
{1}
Glaring Spotlight
Artifact
Creatures your opponents control with hexproof can be the targets of spells and abilities you control as though they didn't have hexproof.
{3}, Sacrifice Glaring Spotlight: Creatures you control gain hexproof until end of turn and can't be blocked this turn.
{6}
God-Pharaoh's Statue
Legendary Artifact
Spells your opponents cast cost {2} more to cast.
At the beginning of your end step, each opponent loses 1 life.
{4}
Helm of the Host
Legendary Artifact - Equipment
At the beginning of combat on your turn, create a token that's a copy of equipped creature, except the token isn't legendary. That token gains haste.
Equip {5}
{1}
Hex Parasite
Artifact Creature - Phyrexian Insect
{X}{B/P}: Remove up to X counters from target permanent. For each counter removed this way, Hex Parasite gets +1/+0 until end of turn. ({B/P} can be paid with either {B} or 2 life.)
1 /
1
{2}{U}
Imprisoned in the Moon
Enchantment - Aura
Enchant creature, land, or planeswalker
Enchanted permanent is a colorless land with "{T}: Add {C}" and loses all other card types and abilities.
{1}{W}
Intangible Virtue
Enchantment
Creature tokens you control get +1/+1 and have vigilance.
--
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}.)
--
Isolated Chapel
Land
Isolated Chapel enters the battlefield tapped unless you control a Plains or a Swamp.
{T}: Add {W} or {B}.
{4}{W}{W}
Martyr's Bond
Enchantment
Whenever Martyr's Bond or another nonland permanent you control is put into a graveyard from the battlefield, each opponent sacrifices a permanent that shares a card type with it.
{W}
Oppressive Rays
Enchantment - Aura
Enchant creature
Enchanted creature can't attack or block unless its controller pays {3}.
Activated abilities of enchanted creature cost {3} more to activate.
{2}
Orzhov Signet
Artifact
{1}, {T}: Add {W}{B}.
--
Plains
Basic Land - Plains
({T}: Add {W}.)
--
Plains
Basic Land - Plains
({T}: Add {W}.)
--
Plains
Basic Land - Plains
({T}: Add {W}.)
--
Plains
Basic Land - Plains
({T}: Add {W}.)
--
Plains
Basic Land - Plains
({T}: Add {W}.)
--
Plains
Basic Land - Plains
({T}: Add {W}.)
--
Plains
Basic Land - Plains
({T}: Add {W}.)
--
Prairie Stream
Land - Plains Island
({T}: Add {W} or {U}.)
Prairie Stream enters the battlefield tapped unless you control two or more basic lands.
{1}{U}
Psychic Surgery
Enchantment
Whenever an opponent shuffles their library, you may look at the top two cards of that library. You may exile one of those cards. Then put the rest on top of that library in any order.
{W}{U}{U}{B}
Punish Ignorance
Instant
Counter target spell. Its controller loses 3 life and you gain 3 life.
--
Reliquary Tower
Land
You have no maximum hand size.
{T}: Add {C}.
{W}{U}{U}
Render Silent
Instant
Counter target spell. Its controller can't cast spells this turn.
{4}{B}
Revel in Riches
Enchantment
Whenever a creature an opponent controls dies, create a Treasure token. (It's an artifact with "{T}, Sacrifice this artifact: Add one mana of any color.")
At the beginning of your upkeep, if you control ten or more Treasures, you win the game.
{2}{U}
Riptide Chimera
Enchantment Creature - Chimera
Flying
At the beginning of your upkeep, return an enchantment you control to its owner's hand.
3 /
4
--
Rogue's Passage
Land
{T}: Add {C}.
{4}, {T}: Target creature can't be blocked this turn.
{W}{W}
Runed Halo
Enchantment
As Runed Halo enters the battlefield, choose a card name.
You have protection from the chosen card name. (You can't be targeted, dealt damage, or enchanted by anything with that name.)
--
Scoured Barrens
Land
Scoured Barrens enters the battlefield tapped.
When Scoured Barrens enters the battlefield, you gain 1 life.
{T}: Add {W} or {B}.
--
Seat of the Synod
Artifact Land
{T}: Add {U}.
--
Sejiri Refuge
Land
Sejiri Refuge enters the battlefield tapped.
When Sejiri Refuge enters the battlefield, you gain 1 life.
{T}: Add {W} or {U}.
{W}
Sigarda's Aid
Enchantment
You may cast Aura and Equipment spells as though they had flash.
Whenever an Equipment enters the battlefield under your control, you may attach it to target creature you control.
{1}
Sol Ring
Artifact
{T}: Add {C}{C}.
{1}{W}{W}
Spear of Heliod
Legendary Enchantment Artifact
Creatures you control get +1/+1.
{1}{W}{W}, {T}: Destroy target creature that dealt damage to you this turn.
{3}{W}{W}
Spectra Ward
Enchantment - Aura
Enchant creature
Enchanted creature gets +2/+2 and has protection from all colors. This effect doesn't remove Auras. (It can't be blocked, targeted, or dealt damage by anything that's white, blue, black, red, or green.)
{4}{W}
Sphere of Safety
Enchantment
Creatures can't attack you or planeswalkers you control unless their controller pays {X} for each of those creatures, where X is the number of enchantments you control.
{1}{W}
Spirit Mantle
Enchantment - Aura
Enchant creature
Enchanted creature gets +1/+1 and has protection from creatures.
{4}{W}
Starfield of Nyx
Enchantment
At the beginning of your upkeep, you may return target enchantment card from your graveyard to the battlefield.
As long as you control five or more enchantments, each other non-Aura enchantment you control is a creature in addition to its other types and has base power and base toughness each equal to its mana value.
{1}{W}
Suppression Field
Enchantment
Activated abilities cost {2} more to activate unless they're mana abilities.
--
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}.)
{2}
Swiftfoot Boots
Artifact - Equipment
Equipped creature has hexproof and haste. (It can't be the target of spells or abilities your opponents control.)
Equip {1}
{3}
Sword of Vengeance
Artifact - Equipment
Equipped creature gets +2/+0 and has first strike, vigilance, trample, and haste.
Equip {3}
{2}{B}
Tainted Remedy
Enchantment
If an opponent would gain life, that player loses that much life instead.
{U}{B}
Tidehollow Strix
Artifact Creature - Bird
Flying
Deathtouch (Any amount of damage this deals to a creature is enough to destroy it.)
{2}{B}{B}, {T}: Return target creature card from your graveyard to the battlefield. It gains haste. Exile it at the beginning of the next end step. If it would leave the battlefield, exile it instead of putting it anywhere else. Activate only as a sorcery.
{U}
Witching Well
Artifact
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.)