Whenever a Detective you control enters or is turned face up, put a +1/+1 counter on it.

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

Solved — If one or more tokens would be created under your control, those tokens plus a Clue token are created instead. (It's an artifact with ", Sacrifice this token: Draw a card.")

When this Case enters, search your library for a basic land card, reveal it, put it into your hand, then shuffle.

To solve — There are five colors among permanents you control. (If unsolved, solve at the beginning of your end step.)

Solved — At the beginning of combat on your turn, target creature you control gains flying, double strike, and vigilance until end of turn.

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.

Vigilance

Whenever Cass or another creature you control dies, if it was enchanted or equipped, return any number of Aura cards that were attached to it from your graveyard to the battlefield attached to target creature, then attach any number of Equipment that were attached to it to that creature.

Enchant creature

Enchanted creature gets -2/-0 and can't block.

Destroy all non-Giant creatures. (Then exile this card. You may cast the creature later from exile.)

Instant and sorcery spells you control have rebound. (Exile the spell as it resolves if you cast it from your hand. At the beginning of your next upkeep, you may cast that card from exile without paying its mana cost.)

Target opponent reveals their hand. You choose a nonland card from it and exile that card.

Untapped creatures you control get +0/+2.

This land enters tapped unless you control a Mountain.

: Add .

, : Creatures you control get +1/+0 until end of turn.

This land enters tapped unless you control a Swamp.

: Add .

, : Draw a card, then you lose life equal to the number of cards in your hand.

: Add .

, : Add .

, : Add or .

Choose one or more —

• Destroy target artifact.

• Destroy target creature.

• Destroy target enchantment.

• Destroy target land.

• Destroy target planeswalker.

Each player chooses from among the permanents they control an artifact, a creature, an enchantment, and a land, then sacrifices the rest.

Cataclysmic Prospecting deals X damage to each creature. For each mana from a Desert spent to cast this spell, create a tapped Treasure token.

Flashback costs you pay cost less.

Flashback costs your opponents pay cost more.

Tap two untapped Soldiers you control: This creature deals 2 damage to target attacking or blocking creature.

Gain control of target permanent until end of turn. Untap it. It gains haste until end of turn.

Fuse (You may cast one or both halves of this card from your hand.)

, : Search your library for a Mercenary permanent card with mana value 3 or less, put it onto the battlefield, then shuffle.

Swampwalk (This creature can't be blocked as long as defending player controls a Swamp.)

, : Search your library for a Mercenary permanent card with mana value 5 or less, put it onto the battlefield, then shuffle.

Enchant creature

Enchanted creature has vigilance and "At the beginning of your end step, create a 1/1 white Human creature token."

Whenever a creature you control enters, put a +1/+1 counter on each creature you control.

White legendary creatures you control have "bands with other legendary creatures." (Any legendary creatures can attack in a band as long as at least one has "bands with other legendary creatures." Bands are blocked as a group. If at least two legendary creatures you control, one of which has "bands with other legendary creatures," are blocking or being blocked by the same creature, you divide that creature's combat damage, not its controller, among any of the creatures it's being blocked by or is blocking.)

Enchant creature

Enchanted creature has "Whenever this creature deals combat damage to a player, draw a card."

If Catlike Curiosity would be put into a graveyard from anywhere, exile it instead.

Spree (Choose one or more additional costs.)

+ — Caught in the Crossfire deals 2 damage to each outlaw creature. (Assassins, Mercenaries, Pirates, Rogues, and Warlocks are outlaws.)

+ — Caught in the Crossfire deals 2 damage to each non-outlaw creature.

Adamant — If at least three black mana was spent to cast this spell, mill four cards.

You may choose a creature card in your graveyard. If you do, return it to the battlefield with an additional +1/+1 counter on it.

, Sacrifice this creature: Destroy target artifact or enchantment.

As an additional cost to cast this spell, behold a Dragon or pay . (To behold a Dragon, choose a Dragon you control or reveal a Dragon card from your hand.)

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

Exile target land.

Flying

Whenever this creature deals combat damage to a player, you may destroy target artifact that player controls.

Survival — At the beginning of your second main phase, if this creature is tapped, you gain 2 life.

Reach

When this creature enters, reveal the top five cards of your library. Put a land card from among them onto the battlefield and the rest into your graveyard.

When this creature dies, you may exile it. If you do, put another target card from your graveyard on top of your library.

Flanking (Whenever a creature without flanking blocks this creature, the blocking creature gets -1/-1 until end of turn.)

Other creatures you control with flanking have flanking. (Each instance of flanking triggers separately.)

If you control two or more other lands, this land enters tapped.

: Add .

: This land becomes a 3/4 white Dragon creature with flying until end of turn. It's still a land.

As this land enters, choose a creature type.

: Add .

: Add one mana of any color. Spend this mana only to cast a creature spell of the chosen type, and that spell can't be countered.

Mutate (If you cast this spell for its mutate cost, put it over or under target non-Human creature you own. They mutate into the creature on top plus all abilities from under it.)

Menace (This creature can't be blocked except by two or more creatures.)

Whenever this creature mutates, each opponent discards a card.

No more than two creatures can attack each combat.

No more than two creatures can block each combat.

: Add .

: Add or . This land deals 1 damage to you.

Partner with Ukkima, Stalking Shadow (When this creature enters, target player may put Ukkima into their hand from their library, then shuffle.)

Whenever a creature you control deals combat damage to a player, put a +1/+1 counter on that creature.

Target player can't cast creature spells this turn.

Draw a card.

Whenever you attack with one or more Elves, scry 1.

Whenever you scry, Celeborn gets +1/+1 until end of turn for each card looked at while scrying this way.

Flying

Whenever you cast an enchantment spell, put a +1/+1 counter on each creature you control.

Flash (You may cast this spell any time you could cast an instant.)

When this Equipment enters, attach it to target creature you control. That creature gains hexproof and indestructible until end of turn.

Equipped creature gets +2/+0 and has flying.

Equip (: Attach to target creature you control. Equip only as a sorcery.)

This enchantment enters with seven omen counters on it.

At the beginning of your upkeep, remove an omen counter from this enchantment. If there are no omen counters on this enchantment, the player with the highest life total wins the game. If two or more players are tied for highest life total, the game is a draw.

Lands you control are Plains.

Nonland permanents you control are white. The same is true for spells you control and nonland cards you own that aren't on the battlefield.

You may spend white mana as though it were mana of any color. You may spend other mana only as though it were colorless mana.

Target player sacrifices an attacking or blocking creature of their choice.

Flying

When this creature dies, exile it, then return up to two target Bird and/or Cleric permanent cards from your graveyard to the battlefield.

Flying

Whenever you cast a Spirit or Arcane spell, destroy all permanents with that spell's mana value.