Whenever an opponent attacks you and/or one or more planeswalkers you control, exile the top card of that player's library. You may play that card for as long as it remains exiled, and you may spend mana as though it were mana of any color to cast it.

Cunning Strike deals 2 damage to target creature and 2 damage to target player or planeswalker.

Draw a card.

Surveil 2. (Look at the top two cards of your library, then put any number of them into your graveyard and the rest on top of your library in any order.)

Draw a card.

This spell can't be countered.

Flying

When this creature enters, look at the top five cards of your library and separate them into a face-down pile and a face-up pile. An opponent chooses one of those piles. Put that pile into your hand and the other into your graveyard.

Whenever you discover, discover again for the same value. This ability triggers only once each turn.

Whenever Curie, Emergent Intelligence deals combat damage to a player, draw cards equal to its base power.

, Exile another nontoken artifact creature you control: Curie becomes a copy of the exiled creature, except it has "Whenever this creature deals combat damage to a player, draw cards equal to its base power."

Flying

You have no maximum hand size.

Whenever a creature token you control deals combat damage to a player, draw a card.

When Curious Forager enters, you may forage. When you do, return target permanent card from your graveyard to your hand. (To forage, exile three cards from your graveyard or sacrifice a Food.)

Enchant creature

Enchanted creature gets +1/+1 and has "Whenever this creature deals combat damage to a player, you may draw a card."

At the beginning of your end step, if you didn't attack with a creature this turn, sacrifice Curious Obsession.

Whenever you discard a card, you may exile that card from your graveyard.

, : Draw a card, then discard a card.

: Put a card exiled with Currency Converter into your graveyard. If it's a land card, create a Treasure token. If it's a nonland card, create a 2/2 black Rogue creature token.

Enchant artifact

At the beginning of the upkeep of enchanted artifact's controller, Curse Artifact deals 2 damage to that player unless they sacrifice that artifact.

Enchant player

Whenever enchanted player is attacked, untap all nonland permanents you control. Each opponent attacking that player untaps all nonland permanents they control.

Enchant player

Whenever a player attacks enchanted player with one or more creatures, that attacking player may discard a card. If the player does, they draw a card.

Enchant player

Nonlegendary creatures enchanted player controls have base power and toughness 3/3 and lose all creature types.

Enchant player

Whenever enchanted player is attacked, create a 2/2 black Zombie creature token. Each opponent attacking that player does the same.

Enchant player

Enchanted player can't cast more than one spell each turn.

Enchant player

Creatures attacking enchanted player have trample.

Whenever a creature deals combat damage to enchanted player, that player exiles the top card of their library. Until end of turn, that creature's controller may play that card and they may spend mana as though it were mana of any color to cast that spell.

Enchant player

As this permanent transforms into Curse of Leeches, attach it to a player.

At the beginning of enchanted player's upkeep, they lose 1 life and you gain 1 life.

Daybound (If a player casts no spells during their own turn, it becomes night next turn.)

Enchant player

At the beginning of your upkeep, you may search your library for a Curse card that doesn't have the same name as a Curse attached to enchanted player, put it onto the battlefield attached to that player, then shuffle.

Enchant player

At the beginning of enchanted player's draw step, that player draws two additional cards.

At the beginning of enchanted player's end step, that player discards their hand.

Enchant player

Whenever a creature attacks enchanted player, put a +1/+1 counter on it.

Enchant player

Whenever a player attacks enchanted player with one or more creatures, that attacking player may create a tapped 2/2 black Zombie creature token.

Enchant player

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

Enchant player

At the beginning of enchanted player's upkeep, that player mills two cards.

Enchant creature

Curse of the Fire Penguin consumes and confuses enchanted creature.

Enchant player

Whenever a creature attacks enchanted player, its controller gains 1 life.

Enchant player

At the beginning of enchanted player's upkeep, Curse of the Pierced Heart deals 1 damage to that player or a planeswalker that player controls.

Exile X target creatures. For each creature exiled this way, its controller creates a 2/2 green Boar creature token.

Enchant player

At the beginning of enchanted player's upkeep, Curse of Thirst deals damage to that player equal to the number of Curses attached to them.

Enchant player

Whenever enchanted player casts a spell, put a spite counter on Curse of Vengeance.

When enchanted player loses the game, you gain X life and draw X cards, where X is the number of spite counters on Curse of Vengeance.

Enchant player

Whenever enchanted player is attacked, you gain 2 life. Each opponent attacking that player does the same.

When Cursebound Witch dies, draft a card from Cursebound Witch's spellbook.

Sacrifice Cursecatcher: Counter target instant or sorcery spell unless its controller pays .

2 — Prowess, prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn twice.)

5 — , : This permanent deals 2 damage to any target.

2 — 4/2

4 — 4/8

Enchant land

At the beginning of the upkeep of enchanted land's controller, Cursed Land deals 1 damage to that player.

: Add .

As Cursed Mirror enters, you may have it become a copy of any creature on the battlefield until end of turn, except it has haste.

As Cursed Rack enters, choose an opponent.

The chosen player's maximum hand size is four.

Bushido 1 (Whenever this creature blocks or becomes blocked, it gets +1/+1 until end of turn.)

: Cursed Ronin gets +1/+1 until end of turn.

Activated abilities of creatures can't be activated.

: Adapt 2. (If this creature has no +1/+1 counters on it, put two +1/+1 counters on it.)

Permanents you control have "Whenever one or more +1/+1 counters are put on this permanent, put an additional +1/+1 counter on it. This ability triggers only once each turn."

Custodi Soulbinders enters with X +1/+1 counters on it, where X is the number of other creatures on the battlefield.

, Remove a +1/+1 counter from Custodi Soulbinders: Create a 1/1 white Spirit creature token with flying.

Flying

Will of the council — When Custodi Squire enters, starting with you, each player votes for an artifact, creature, or enchantment card in your graveyard. Return each card with the most votes or tied for most votes to your hand.

Enchant creature

Enchanted creature has "At the beginning of your upkeep, target opponent gains control of this creature unless you sacrifice a land."

Each opponent draws a card, then you draw a card for each opponent who drew a card this way.

Return target enchanted permanent to its owner's hand.

Casualty 2 (As you cast this spell, you may sacrifice a creature with power 2 or greater. When you do, copy this spell and you may choose a new target for the copy.)

Target player mills half their library, rounded down.

Pay 1 life: Cutthroat Contender gets +1/+0 until end of turn. Activate only once each turn.

Parley — Whenever Cutthroat Negotiator attacks, each player reveals the top card of their library. For each nonland card revealed this way, you create a tapped Treasure token. Then each player draws a card.

Flying

Other artifact creatures you control have flying.

When Cyberdrive Awakener enters, until end of turn, each noncreature artifact you control becomes an artifact creature with base power and toughness 4/4.

Skulk (This creature can't be blocked by creatures with greater power.)

Whenever Cybermat attacks and isn't blocked, it gets +X/+0 until end of turn, where X is the number of attacking artifact creatures.