Etrata, the Silencer can't be blocked.

Whenever Etrata deals combat damage to a player, exile target creature that player controls and put a hit counter on that card. That player loses the game if they own three or more exiled cards with hit counters on them. Etrata's owner shuffles Etrata into their library.

Create a token that's a copy of target artifact or creature.

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.)

Counter target spell unless its controller pays {X}. If that spell is countered this way, exile it instead of putting it into its owner's graveyard.

Look at the top three cards of your library. Put one of those cards into your hand, one on top of your library, and one on the bottom of your library.

Target creature gets -3/-3 until end of turn.

When Netherborn Phalanx enters the battlefield, each opponent loses 1 life for each creature they control.

Transmute {1}{B}{B} ({1}{B}{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.)

Ribbons of Night deals 4 damage to target creature and you gain 4 life. If {U} was spent to cast this spell, draw a card.

Create a 1/1 blue and black Horror creature token with flying.

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.)

Whenever you cast a blue spell, exile the top card of target player's library.

Whenever you cast a black spell, exile the top card of target player's library.

Your opponents can't cast spells with the same name as a card exiled with Circu, Dimir Lobotomist.

Consuming Aberration's power and toughness are each equal to the number of cards in your opponents' graveyards.

Whenever you cast a spell, each opponent reveals cards from the top of their library until they reveal a land card, then puts those cards into their graveyard.

Choose one —

• Counter target sorcery spell.

• Destroy target creature with power 2 or less.

• Look at the top three cards of target player's library. Put one back and the rest into that player's graveyard.

{1}{U}{B}: Exile target creature card from a graveyard. Dimir Doppelganger becomes a copy of that card, except it has this ability.

({U/B} can be paid with either {U} or {B}.)

{3}{U}: Target player draws a card. Activate only as a sorcery.

{3}{B}: Target player discards a card. Activate only as a sorcery.

When Dinrova Horror enters the battlefield, return target permanent to its owner's hand, then that player discards a card.

Target player mills ten cards.

Hexproof

Whenever a creature card is put into an opponent's graveyard from anywhere, you may have Lazav, Dimir Mastermind become a copy of that card, except its name is Lazav, Dimir Mastermind, it's legendary in addition to its other types, and it has hexproof and this ability.

Flying

Whenever Mirko Vosk, Mind Drinker deals combat damage to a player, that player reveals cards from the top of their library until they reveal four land cards, then puts those cards into their graveyard.

Flying

At the beginning of your upkeep, you lose 1 life.

Flying

Whenever Nightveil Specter deals combat damage to a player, that player exiles the top card of their library.

You may play lands and cast spells from among cards exiled with Nightveil Specter.

Flying

If Szadek, Lord of Secrets would deal combat damage to a player, instead put that many +1/+1 counters on Szadek and that player mills that many cards.

Target creature gets +X/-X until end of turn, where X is the number of cards in your hand.

{1}, {T}: Add {U}{B}.

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}.

({T}: Add {U}.)

({T}: Add {B}.)

Flying

Whenever you draw a card, Niv-Mizzet, the Firemind deals 1 damage to any target.

{T}: Draw a card.

Replicate {2}{U} (When you cast this spell, copy it for each time you paid its replicate cost.)

Create a 3/3 blue Weird creature token with defender and flying. Exile it at the beginning of the next end step.

Char deals 4 damage to any target and 2 damage to you.

Electrickery deals 1 damage to target creature you don't control.

Overload {1}{R} (You may cast this spell for its overload cost. If you do, change "target" in its text to "each.")

Create four 1/1 red Goblin creature tokens.

Whenever you cast an instant or sorcery spell, Guttersnipe deals 2 damage to each opponent.

Mizzium Mortars deals 4 damage to target creature you don't control.

Overload {3}{R}{R}{R} (You may cast this spell for its overload cost. If you do, change "target" in its text to "each.")

Replicate {1}{R} (When you cast this spell, copy it for each time you paid its replicate cost. You may choose new targets for the copies.)

Pyromatics deals 1 damage to any target.

Replicate {R} (When you cast this spell, copy it for each time you paid its replicate cost. You may choose new targets for the copies.)

Destroy target artifact.

Target player draws two cards, then Cerebral Vortex deals damage to that player equal to the number of cards they've drawn this turn.

({U/R} can be paid with either {U} or {R}.)

Flying

Each instant and sorcery spell you cast has replicate. The replicate cost is equal to its mana cost. (When you cast it, copy it for each time you paid its replicate cost. You may choose new targets for the copies.)

Electrolyze deals 2 damage divided as you choose among one or two targets.

Draw a card.

{T}: Gelectrode deals 1 damage to any target.

Whenever you cast an instant or sorcery spell, you may untap Gelectrode.

Flying, haste

You may cast sorcery spells as though they had flash. (You may cast them any time you could cast an instant.)

Choose one —

• Draw X cards.

• Invoke the Firemind deals X damage to any target.

Choose one —

• Counter target noncreature spell unless its controller pays {2}.

• Izzet Charm deals 2 damage to target creature.

• Draw two cards, then discard two cards.

{1}{U}{R}: Draw a card, then discard a card.

{2}{U}{R}: Copy target instant or sorcery spell you control. You may choose new targets for the copy.

Flip a coin. If you win the flip, take an extra turn after this one.

Whenever you cast a blue spell, target creature gains flying until end of turn.

Whenever you cast a red spell, Tibor and Lumia deals 1 damage to each creature without flying.

{1}, {T}: Add {U}{R}.

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}.

({T}: Add {U}.)