{T}: Add {C}.

{1}, {T}: Until end of turn, creatures your opponents control lose hexproof and shroud and can't have hexproof or shroud.

{T}: Add one mana of any color in your commander's color identity.

{T}: Draw three cards.

{2}{U}{U}: Return Arcanis the Omnipotent to its owner's hand.

Sacrifice a creature: Add {C}{C}.

Astral Cornucopia enters the battlefield with X charge counters on it.

{T}: Choose a color. Add one mana of that color for each charge counter on Astral Cornucopia.

Whenever Ayara, First of Locthwain or another black creature enters the battlefield under your control, each opponent loses 1 life and you gain 1 life.

{T}, Sacrifice another black creature: Draw a card.

Tap an untapped Wizard you control: Draw a card.

Put X -1/-1 counters on each creature. Shuffle Black Sun's Zenith into its owner's library.

Whenever a creature dies, if it had a -1/-1 counter on it, put a -1/-1 counter on target creature.

{3}, Sacrifice Burnished Hart: Search your library for up to two basic land cards, put them onto the battlefield tapped, then shuffle.

Buyback {3} (You may pay an additional {3} as you cast this spell. If you do, put this card into your hand as it resolves.)

Return target permanent to its owner's hand.

As Choked Estuary enters the battlefield, you may reveal an Island or Swamp card from your hand. If you don't, Choked Estuary enters the battlefield tapped.

{T}: Add {U} or {B}.

{T}: Target player mills a card. (They put the top card of their library into their graveyard.)

{5}, {T}, Sacrifice Codex Shredder: Return target card from your graveyard to your hand.

{T}: Add one mana of any color in your commander's color identity.

When Contagion Engine enters the battlefield, put a -1/-1 counter on each creature target player controls.

{4}, {T}: Proliferate, then proliferate again. (Choose any number of permanents and/or players, then give each another counter of each kind already there. Then do it again.)

At the beginning of your upkeep, destroy target creature with a -1/-1 counter on it.

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

When Deepglow Skate enters the battlefield, double the number of each kind of counter on any number of target permanents.

Search your library for up to X cards, put those cards into your hand, then shuffle.

Fear (This creature can't be blocked except by artifact creatures and/or black creatures.)

Sacrifice a creature: Regenerate Dimir House Guard.

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.)

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

Whenever a blue creature enters the battlefield under your control, you may have target player draw a card.

Whenever a black creature enters the battlefield under your control, you may have target player discard a card.

Each creature your opponents control is an Illusion in addition to its other types and has "When this creature becomes the target of a spell or ability, sacrifice it."

{T}: Add {C}.

{1}, {T}: Put a storage counter on Dreadship Reef.

{1}, Remove X storage counters from Dreadship Reef: Add X mana in any combination of {U} and/or {B}.

Drowned Catacomb enters the battlefield tapped unless you control an Island or a Swamp.

{T}: Add {U} or {B}.

Whenever Dusk Urchins attacks or blocks, put a -1/-1 counter on it.

When Dusk Urchins dies, draw a card for each -1/-1 counter on it.

Multikicker {2} (You may pay an additional {2} any number of times as you cast this spell.)

Everflowing Chalice enters the battlefield with a charge counter on it for each time it was kicked.

{T}: Add {C} for each charge counter on Everflowing Chalice.

Search your library for an artifact card, reveal it, put it into your hand, then shuffle.

Reveal the top five cards of your library. An opponent separates those cards into two piles. Put one pile into your hand and the other into your graveyard.

Flying

Infect (This creature deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.)

Sacrifice a creature: Flesh-Eater Imp gets +1/+1 until end of turn.

Whenever you cast a noncreature spell, proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

Defender, flying

Prevent all combat damage that would be dealt to and dealt by Fog Bank.

Enchant creature

{U}: Tap enchanted creature.

{U}: Untap enchanted creature.

Geralf's Messenger enters the battlefield tapped.

When Geralf's Messenger enters the battlefield, target opponent loses 2 life.

Undying (When this creature dies, if it had no +1/+1 counters on it, return it to the battlefield under its owner's control with a +1/+1 counter on it.)

Flying

{U}, Sacrifice Glen Elendra Archmage: Counter target noncreature spell.

Persist (When this creature dies, if it had no -1/-1 counters on it, return it to the battlefield under its owner's control with a -1/-1 counter on it.)

{1}: You may cast target creature card in a graveyard this turn. When you cast it this turn, Havengul Lich gains all activated abilities of that card until end of turn.

{T}, Sacrifice a creature: Return target creature card from your graveyard to the battlefield. Activate only during your upkeep.

When Hostage Taker enters the battlefield, exile another target creature or artifact until Hostage Taker leaves the battlefield. You may cast that card for as long as it remains exiled, and mana of any type can be spent to cast that spell.

Whenever you cast a spell, proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

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

Whenever a creature enters the battlefield, untap all creatures.

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

{T}: Add {C}.

{4}, {T}: Proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

Look at the top five cards of your library. As many times as you choose, you may pay 1 life, put those cards on the bottom of your library in any order, then look at the top five cards of your library. Then shuffle and put the last cards you looked at this way on top in any order.

Until your next turn, creatures target player controls have base power and toughness 1/1.

Flashback {3}{U} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Wither (This deals damage to creatures in the form of -1/-1 counters.)

At the beginning of your upkeep, put a -1/-1 counter on each nonblack creature.

{T}: Add {U}.

{2}{U}: Put an hour counter on Midnight Clock.

At the beginning of each upkeep, put an hour counter on Midnight Clock.

When the twelfth hour counter is put on Midnight Clock, shuffle your hand and graveyard into your library, then draw seven cards. Exile Midnight Clock.

Intimidate (This creature can't be blocked except by artifact creatures and/or creatures that share a color with it.)

Whenever a Human deals damage to you, destroy it.

Other non-Human creatures you control get +1/+1 and have undying. (When a creature with undying dies, if it had no +1/+1 counters on it, return it to the battlefield under its owner's control with a +1/+1 counter on it.)

Myriad Landscape enters the battlefield tapped.

{T}: Add {C}.

{2}, {T}, Sacrifice Myriad Landscape: Search your library for up to two basic land cards that share a land type, put them onto the battlefield tapped, then shuffle.

Wither (This deals damage to creatures in the form of -1/-1 counters.)

Whenever a creature an opponent controls with a -1/-1 counter on it dies, you may return that card to the battlefield under your control.

Whenever you put one or more -1/-1 counters on a creature, create that many 1/1 black Insect creature tokens.

You draw two cards and you lose 2 life.

Equipped creature gets +2/+2, has intimidate, and is a black Zombie. (A creature with intimidate can't be blocked except by artifact creatures and/or creatures that share a color with it.)

Whenever a nontoken creature is put into your graveyard from the battlefield, you may pay {4}. If you do, return that card to the battlefield and attach Nim Deathmantle to it.

Equip {4}

Enchant creature

{U}: Untap enchanted creature.

{U}: Enchanted creature gains flying until end of turn.

{U}: Enchanted creature gains shroud until end of turn. (It can't be the target of spells or abilities.)

{1}: Enchanted creature gets +1/-1 or -1/+1 until end of turn.

Flash

Flying

When Pestermite enters the battlefield, you may tap or untap target permanent.

Sacrifice a creature: Add one mana of any color.

{1}{B}, Pay 2 life: Return target creature card from your graveyard to your hand.

Destroy target creature. It can't be regenerated. That creature's controller creates a 3/3 green Frog Lizard creature token.

Scry 2, then draw two cards. You lose 2 life.

Until end of turn, target creature gains "{T}: Return target nonland permanent to its owner's hand."

Flying

{U}, Sacrifice Siren Stormtamer: Counter target spell or ability that targets you or a creature you control.

When you control no Islands, sacrifice Skeleton Ship.

{T}: Put a -1/-1 counter on target creature.

When Sling-Gang Lieutenant enters the battlefield, create two 1/1 red Goblin creature tokens.

Sacrifice a Goblin: Target player loses 1 life and you gain 1 life.

{T}: Add {C}{C}.

{T}, Remove a counter from an artifact, creature, land, or planeswalker you control: Draw a card.

Target player draws X cards.

({T}: Add {U} or {B}.)

Sunken Hollow enters the battlefield tapped unless you control two or more basic lands.

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

{T}: Add {C}.

{T}: Add {U} or {B}. Activate only if you control a Swamp.

{T}: Add {C}.

{T}: Add {U} or {B}. Talisman of Dominance deals 1 damage to you.

({U/P} can be paid with either {U} or 2 life.)

Draw two cards, then proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

Equipped creature has "{2}, {T}: This creature deals 1 damage to any target" and "Whenever a creature dies, untap this creature."

Whenever a Shaman creature enters the battlefield, you may attach Thornbite Staff to it.

Equip {4}

{T}: Add {C}.

{T}: Add {U} or {B}. Underground River deals 1 damage to you.

Flying

Infect (This creature deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.)

{3}{U}: Proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

({T}: Add {U} or {B}.)

As Watery Grave enters the battlefield, you may pay 2 life. If you don't, it enters the battlefield tapped.

{2}, {T}, Sacrifice Wayfarer's Bauble: Search your library for a basic land card, put that card onto the battlefield tapped, then shuffle.

Workhorse enters the battlefield with four +1/+1 counters on it.

Remove a +1/+1 counter from Workhorse: Add {C}.

Protection from Humans

Pay 1 life, Sacrifice another creature: Put a -1/-1 counter on up to one target creature and draw a card.

{B}{B}, Discard a card: Proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

Whenever Zulaport Cutthroat or another creature you control dies, each opponent loses 1 life and you gain 1 life.