At the beginning of each player's end step, Citadel of Pain deals X damage to that player, where X is the number of untapped lands they control.

Shroud (This creature can't be the target of spells or abilities.)

Echo (At the beginning of your upkeep, if this came under your control since the beginning of your last upkeep, sacrifice it unless you pay its echo cost.)

, : Search your library for a creature card with mana value X or less, reveal it, put it into your hand, then shuffle.

, Tap an untapped artifact or creature you control: Add one mana of any color.

When Citizen's Arrest enters, exile target creature or planeswalker an opponent controls until Citizen's Arrest leaves the battlefield.

Whenever one or more other nontoken permanents with a name originally printed in the Arabian Nights expansion are on the battlefield, their controllers sacrifice them.

Players can't cast spells or play lands with a name originally printed in the Arabian Nights expansion.

Whenever City of Brass becomes tapped, it deals 1 damage to you.

: Add one mana of any color.

, Exile a creature you control: Put a storage counter on City of Shadows.

: Add for each storage counter on City of Shadows.

When you play another land, sacrifice City of Traitors.

: Add .

Trample

When you cast this spell and whenever Cityscape Leveler attacks, destroy up to one target nonland permanent. Its controller creates a tapped Powerstone token.

Unearth

Flying

When Citywatch Sphinx dies, 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.)

Whenever you cast your second spell each turn, create a 1/1 white Spirit creature token with flying.

Target creature fights another target creature. (Each deals damage equal to its power to the other.)

Haste

Sacrifice a Goblin: Clickslither gets +2/+2 and gains trample until end of turn.

Enchant creature

Enchanted creature has phasing and can't be blocked except by Walls. (It phases in or out before its controller untaps during each of their untap steps. While it's phased out, it's treated as though it doesn't exist.)

Flying

Cloud Spirit can block only creatures with flying.

Return target permanent to its owner's hand. Its controller loses 3 life.

Transmute (, 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.)

Enchant creature you control

Enchanted creature is a Flagbearer.

While an opponent is choosing targets as part of casting a spell they control or activating an ability they control, that player must choose at least one Flagbearer on the battlefield if able.

: Add one mana of any color.

: Put a charge counter on Coalition Relic.

At the beginning of your first main phase, remove all charge counters from Coalition Relic. Add one mana of any color for each charge counter removed this way.

You win the game if you control a land of each basic land type and a creature of each color.

Target creature gets +1/+2 and gains deathtouch until end of turn. (Any amount of damage it deals to a creature is enough to destroy it.)

Whenever Coercive Recruiter or another Pirate you control enters, gain control of target creature until end of turn. Untap that creature. Until end of turn, it gains haste and becomes a Pirate in addition to its other types.

Escalate—Discard a card. (Pay this cost for each mode chosen beyond the first.)

Choose one or more —

• Target opponent reveals their hand. You choose an instant or sorcery card from it. That player discards that card.

• Target creature gets -2/-2 until end of turn.

• Target opponent loses 2 life and you gain 2 life.

Prevent all combat damage that would be dealt to players this turn.

Look at the top five cards of your library. You may reveal a Dinosaur or land card from among them and put it into your hand. Put the rest on the bottom of your library in any order.

Exile the top X cards of your library. Until the end of your next turn, you may play those cards.

Look at the top four cards of your library. You may reveal an enchantment or land card from among them and put it into your hand. Put the rest on the bottom of your library in a random order.

Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for or one mana of that creature's color.)

You may cast sorcery spells this turn as though they had flash.

When you next cast an instant or sorcery spell this turn, copy that spell twice. You may choose new targets for the copies.

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

Conduct Electricity deals 6 damage to target creature and 2 damage to up to one target creature token.

Whenever Conduit of Emrakul attacks, add at the beginning of your next main phase this turn.

Whenever Conduit of Storms attacks, add at the beginning of your next main phase this turn.

: Transform Conduit of Storms.

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

: Add .

, : Add one mana of any color.

Spend only black mana on X.

Consume Spirit deals X damage to any target and you gain X life.

This spell can't be countered.

Shroud

CARDNAME's power and toughness are each equal to the number of turns you've taken this game. (If this is in your deck, please keep track of your turns. This means you, Mark.)

When Court of Ambition enters, you become the monarch.

At the beginning of your upkeep, each opponent loses 3 life unless they discard a card. If you're the monarch, instead each opponent loses 6 life unless they discard two cards.

, Sacrifice Crackling Triton: It deals 2 damage to any target.

, , Sacrifice Credit Voucher: Shuffle any number of cards from your hand into your library, then draw that many cards.

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.)

Target creature gains double strike until end of turn.

When you roll a natural 20, return Critical Hit from your graveyard to your hand. (A natural 20 is a roll that displays 20 on the die.)

: Add .

, : Put a storage counter on Crucible of the Spirit Dragon.

, Remove X storage counters from Crucible of the Spirit Dragon: Add X mana in any combination of colors. Spend this mana only to cast Dragon spells or activate abilities of Dragons.

Enchant player

At the beginning of enchanted player's upkeep, that player sacrifices a creature or planeswalker of their choice. If the player can't, they lose 5 life.

Gift a Food (You may promise an opponent a gift as you cast this spell. If you do, they create a Food token before its other effects. It's an artifact with ", , Sacrifice this artifact: You gain 3 life.")

Target creature you control gets +2/+2 until end of turn. If the gift was promised, that creature also gains indestructible until end of turn.

Whenever you cast an instant or sorcery spell from your hand, manifest the top card of your library. (Put that card onto the battlefield face down as a 2/2 creature. Turn it face up any time for its mana cost if it's a creature card.)

Whenever a face-down creature you control dies, exile it if it's an instant or sorcery card. You may cast that card until the end of your next turn.

Cryptolith Fragment enters tapped.

: Add one mana of any color. Each player loses 1 life.

At the beginning of your upkeep, if each player has 10 or less life, transform Cryptolith Fragment.

Destroy each nonland permanent with mana value 2 or less. Add or for each permanent destroyed this way.

: Cuombajj Witches deals 1 damage to any target and 1 damage to any target of an opponent's choice.

Flying

You have no maximum hand size.

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

Enchant player

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

When Curse of Marit Lage enters, tap all Islands.

Islands don't untap during their controllers' untap steps.