When A Killer Among Us enters, create a 1/1 white Human creature token, a 1/1 blue Merfolk creature token, and a 1/1 red Goblin creature token. Then secretly choose Human, Merfolk, or Goblin.

Sacrifice A Killer Among Us, Reveal the creature type you chose: If target attacking creature token is the chosen type, put three +1/+1 counters on it and it gains deathtouch until end of turn.

When Aftermath Analyst enters, mill three cards.

, Sacrifice Aftermath Analyst: Return all land cards from your graveyard to the battlefield tapped.

Flying

When Agency Outfitter enters, you may search your graveyard, hand and/or library for a card named Magnifying Glass and/or a card named Thinking Cap and put them onto the battlefield. If you search your library this way, shuffle.

Flash

Enchant creature

When Airtight Alibi enters, untap enchanted creature. It gains hexproof until end of turn. If it's suspected, it's no longer suspected.

Enchanted creature gets +2/+2 and can't become suspected.

Vigilance

When Alquist Proft, Master Sleuth enters, investigate. (Create a Clue token. It's an artifact with ", Sacrifice this artifact: Draw a card.")

, , Sacrifice a Clue: You draw X cards and gain X life.

Whenever Anzrag, the Quake-Mole becomes blocked, untap each creature you control. After this phase, there is an additional combat phase.

: Anzrag must be blocked each combat this turn if able.

Choose one —

• Search your library for a creature or land card and reveal it. Put it onto the battlefield tapped if it's a land card. Otherwise, put it into your hand. Then shuffle.

• Put a +1/+1 counter on target creature you control. It deals damage equal to its power to target creature you don't control.

• Exile target artifact or enchantment.

You may look at the top card of your library any time.

Once each turn, you may cast a creature spell with power 2 or less from the top of your library.

Flying, vigilance, haste

Whenever a player attacks with three or more creatures, you draw a card.

Whenever a player attacks with five or more creatures, Aurelia, the Law Above deals 3 damage to each of your opponents and you gain 3 life.

Target creature gets +2/+2 until end of turn. Investigate. (Create a Clue token. It's an artifact with ", Sacrifice this artifact: Draw a card.")

Indestructible

When Barbed Servitor enters, suspect it. (It has menace and can't block.)

Whenever Barbed Servitor deals combat damage to a player, you draw a card and you lose 1 life.

Whenever Barbed Servitor is dealt damage, target opponent loses that much life.

As an additional cost to cast this spell, you may collect evidence 6. (Exile cards with total mana value 6 or greater from your graveyard.)

Until end of turn, target artifact or creature becomes an artifact creature with base power and toughness 4/3. If evidence was collected, it has base power and toughness 1/1 until end of turn instead.

As an additional cost to cast this spell, you may collect evidence 6. This spell costs less to cast if evidence was collected. (To collect evidence 6, exile cards with total mana value 6 or greater from your graveyard.)

Target creature you control gets +2/+0 until end of turn. It deals damage equal to its power to target creature you don't control.

Double strike, trample

Disguise (You may cast this card face down for as a 2/2 creature with ward . Turn it face up any time for its disguise cost.)

: Add .

Disguise (You may cast this card face down for as a 2/2 creature with ward . Turn it face up any time for its disguise cost.)

When Branch of Vitu-Ghazi is turned face up, add two mana of any one color. Until end of turn, you don't lose this mana as steps and phases end.

Disguise (You may cast this card face down for as a 2/2 creature with ward . Turn it face up any time for its disguise cost.)

As Bubble Smuggler is turned face up, put four +1/+1 counters on it.

Enchant land

When Buried in the Garden enters, exile target nonland permanent you don't control until Buried in the Garden leaves the battlefield.

Whenever enchanted land is tapped for mana, its controller adds an additional one mana of any color.

Return target creature card with mana value 3 or less from your graveyard to the battlefield. Put a flying counter on it. It's a Spirit in addition to its other types.

When Case File Auditor enters and whenever you solve a Case, look at the top six cards of your library. You may reveal an enchantment card from among them and put it into your hand. Put the rest on the bottom of your library in a random order.

You may spend mana as though it were mana of any color to cast Case spells.

When this Case enters, discard a card, then draw two cards.

To solve — You have no cards in hand. (If unsolved, solve at the beginning of your end step.)

Solved — At the beginning of your upkeep, discard your hand, then draw two cards.

When this Case enters, choose target creature you don't control. Each creature you control deals 1 damage to that creature.

To solve — Three or more creatures attacked this turn. (If unsolved, solve at the beginning of your end step.)

Solved — Creatures you control get +1/+0.

You may play an additional land on each of your turns.

To solve — You control seven or more lands. (If unsolved, solve at the beginning of your end step.)

Solved — You may look at the top card of your library any time, and you may play lands and cast creature and enchantment spells from the top of your library.

Instant and sorcery spells you cast cost less to cast.

To solve — You've cast four or more instant and sorcery spells this turn. (If unsolved, solve at the beginning of your end step.)

Solved — Whenever you cast an instant or sorcery spell, draw a card.

When this Case enters, create a 2/1 black Skeleton creature token and suspect it. (It has menace and can't block.)

To solve — You control no suspected Skeletons. (If unsolved, solve at the beginning of your end step.)

Solved — , Sacrifice this Case: Search your library for a card, put it into your hand, then shuffle. Activate only as a sorcery.

Whenever a creature you control enters, you gain 1 life.

To solve — You've gained 5 or more life this turn. (If unsolved, solve at the beginning of your end step.)

Solved — Sacrifice this Case: Creature cards in your graveyard gain "You may cast this card from your graveyard" until end of turn.

Exile up to two target cards from a single graveyard. Target player gains 2 life and draws a card.

Whenever one or more creature cards leave your graveyard, create a 2/2 white and blue Detective creature token, then investigate. (Create a Clue token. It's an artifact with ", Sacrifice this artifact: Draw a card.")

Enchant creature

You control enchanted creature.

Enchanted creature has base power and toughness 1/1, has deathtouch, and is an Assassin in addition to its other types.

(: Add or .)

Commercial District enters tapped.

When Commercial District enters, surveil 1. (Look at the top card of your library. You may put it into your graveyard.)

Whenever a creature you control attacks, exile the top card of your library face down. (You can't look at it.)

, Discard your hand, Sacrifice Connecting the Dots: Put all cards exiled with Connecting the Dots into their owners' hands.

Enchant creature

When Convenient Target enters, suspect enchanted creature. (It has menace and can't block.)

Enchanted creature gets +1/+1.

: Return Convenient Target from your graveyard to your hand.

Flying

Whenever Coveted Falcon attacks, gain control of target permanent you own but don't control.

Disguise

When Coveted Falcon is turned face up, target opponent gains control of any number of target permanents you control. Draw a card for each one they gained control of this way.

As an additional cost to cast this spell, you may collect evidence 6. (Exile cards with total mana value 6 or greater from your graveyard.)

Flying

When Crimestopper Sprite enters, tap target creature. If evidence was collected, put a stun counter on it. (If a permanent with a stun counter would become untapped, remove one from it instead.)

, Collect evidence 3: Add one mana of any color. Put an unlock counter on Cryptex. (To collect evidence 3, exile cards with total mana value 3 or greater from your graveyard.)

Sacrifice Cryptex: Surveil 3, then draw three cards. Activate only if Cryptex has five or more unlock counters on it.

When Culvert Ambusher enters or is turned face up, target creature blocks this turn if able.

Disguise (You may cast this card face down for as a 2/2 creature with ward . Turn it face up any time for its disguise cost.)

Enchant creature

Enchanted creature gets +1/+1 and has "Whenever this creature deals combat damage to a player, investigate." (Create a Clue token. It's an artifact with ", Sacrifice this artifact: Draw a card.")

As an additional cost to cast this spell, you may collect evidence 6.

Destroy all creatures. If evidence was collected, exile a card from an opponent's graveyard. Then search its owner's graveyard, hand, and library for any number of cards with that name and exile them. That player shuffles, then draws a card for each card exiled from their hand this way.

Flying

Disguise (You may cast this card face down for as a 2/2 creature with ward . Turn it face up any time for its disguise cost.)

As an additional cost to cast this spell, sacrifice an artifact or discard a card.

Draw two cards.

When Detective's Satchel enters, investigate twice. (To investigate, create a Clue token. It's an artifact with ", Sacrifice this artifact: Draw a card.")

: Create a 1/1 colorless Thopter artifact creature token with flying. Activate only if you've sacrificed an artifact this turn.

Flash

Flying

Artifacts and creatures entering don't cause abilities to trigger.

Create a 2/2 white and blue Detective creature token. If a creature died this turn, you gain 2 life, surveil 2, then investigate. (Create a Clue token. It's an artifact with ", Sacrifice this artifact: Draw a card.")

Enchant creature

When Due Diligence enters, target creature you control other than enchanted creature gets +2/+2 and gains vigilance until end of turn.

Enchanted creature gets +2/+2 and has vigilance.

Investigate. Creatures your opponents control get -2/-0 until end of turn. If any of them are suspected, they're no longer suspected. (To investigate, create a Clue token. It's an artifact with ", Sacrifice this artifact: Draw a card.")

Disguise (You may cast this card face down for as a 2/2 creature with ward . Turn it face up any time for its disguise cost.)

When Essence of Antiquity is turned face up, creatures you control gain hexproof until end of turn. Untap them.

At the beginning of combat on your turn, you may collect evidence 4. (Exile cards with total mana value 4 or greater from your graveyard.)

Whenever you collect evidence, investigate. (Create a Clue token. It's an artifact with ", Sacrifice this artifact: Draw a card.")

Whenever a creature is dealt damage, its controller may exile that many cards from the top of their library. They may play those cards until the end of their next turn.

As an additional cost to cast this spell, you may collect evidence 6. (Exile cards with total mana value 6 or greater from your graveyard.)

Each opponent sacrifices a creature of their choice. If evidence was collected, instead each opponent sacrifices a creature with the greatest power among creatures they control.

Flash

Enchant creature

When Fae Flight enters, enchanted creature gains hexproof until end of turn.

Enchanted creature gets +1/+0 and has flying.

Target creature gets +3/+3 and gains trample until end of turn.