Target creature gains haste until end of turn.

Draw a card.

Create two 1/1 green Squirrel creature tokens.

Flashback¡ª1G, Pay 3 life. (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Change the text of target spell or permanent by replacing all instances of one color word with another. (This effect lasts indefinitely.)

Flashback 1U (You may cast this card from your graveyard for its flashback cost. Then exile it.)

3: Target player puts the top three cards of their library into their graveyard.

Flying, first strike

Protection from black

At the beginning of your upkeep, sacrifice Anurid Scavenger unless you put a card from your graveyard on the bottom of your library.

Discard a card: Switch Aquamoeba's power and toughness until end of turn.

Trample

Madness 2G (If you discard this card, discard it into exile. When you do, cast it for its madness cost or put it into your graveyard.)

Flying

2W, Discard a card: Aven Trooper gets +1/+2 until end of turn.

Flying

B: Balshan Collaborator gets +1/+1 until end of turn.

Other Barbarian creatures get +1/+1.

R: Another target Barbarian creature gets +1/+0 until end of turn.

When you control no Swamps, sacrifice Barbarian Outcast.

1G: Basking Rootwalla gets +2/+2 until end of turn. Activate this ability only once each turn.

Madness 0 (If you discard this card, discard it into exile. When you do, cast it for its madness cost or put it into your graveyard.)

Flying

Threshold ¡ª As long as seven or more cards are in your graveyard, Boneshard Slasher gets +2/+2 and has "When Boneshard Slasher becomes the target of a spell or ability, sacrifice it."

Draw four cards, then choose X cards in your hand and discard the rest.

2, T: Add B for each Swamp you control.

Add BBB.

Threshold ¡ª Add BBBBB instead if seven or more cards are in your graveyard.

2BB, T, Exile two cards from your graveyard: Return target creature card from your graveyard to your hand.

B, T: Target creature gets -1/-1 until end of turn.

Threshold ¡ª 3BB, T: Target creature gets -2/-2 until end of turn. Activate this ability only if seven or more cards are in your graveyard.

Whenever Carrion Rats attacks or blocks, any player may exile a card from their graveyard. If a player does, Carrion Rats assigns no combat damage this turn.

Whenever Carrion Wurm attacks or blocks, any player may exile three cards from their graveyard. If a player does, Carrion Wurm assigns no combat damage this turn.

Haste

Threshold ¡ª As long as seven or more cards are in your graveyard, Centaur Chieftain has "When Centaur Chieftain enters the battlefield, creatures you control get +1/+1 and gain trample until end of turn."

Trample

G, Discard a card: Regenerate Centaur Veteran.

Whenever Cephalid Aristocrat becomes the target of a spell or ability, put the top two cards of your library into your graveyard.

Whenever Cephalid Illusionist becomes the target of a spell or ability, put the top three cards of your library into your graveyard.

2U, T: Prevent all combat damage that would be dealt to and dealt by target creature you control this turn.

Threshold ¡ª As long as seven or more cards are in your graveyard, Cephalid Sage has "When Cephalid Sage enters the battlefield, draw three cards, then discard two cards."

Sacrifice Cephalid Snitch: Target creature loses protection from black until end of turn.

At the beginning of your upkeep, put a shred counter on Cephalid Vandal. Then put the top card of your library into your graveyard for each shred counter on Cephalid Vandal.

Nightmare creatures get +1/+1.

BBB, Pay 3 life: Put target creature card from a graveyard onto the battlefield under your control. That creature is black and is a Nightmare in addition to its other creature types.

When Chainer, Dementia Master leaves the battlefield, exile all Nightmares.

Target player sacrifices a creature.

Flashback 5BB (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Return target creature and target land to their owners' hands.

Counter target spell unless its controller pays 1 for each card in your graveyard.

Madness U (If you discard this card, discard it into exile. When you do, cast it for its madness cost or put it into your graveyard.)

Destroy all enchantments.

Threshold ¡ª If seven or more cards are in your graveyard, instead destroy all enchantments, then return all cards in your graveyard destroyed this way to the battlefield.

1U, Discard a card: Draw a card.

1U, Sacrifice Compulsion: Draw a card.

Enchant green or white creature

Enchanted creature has "At the beginning of your upkeep, sacrifice this creature unless you discard a card."

Enchant creature

Enchanted creature gets +1/+0.

Sacrifice Crackling Club: It deals 1 damage to target creature.

When Crazed Firecat enters the battlefield, flip a coin until you lose a flip. Put a +1/+1 counter on Crazed Firecat for each flip you win.

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

Flashback¡ª1B, Pay 3 life. (You may cast this card from your graveyard for its flashback cost. Then exile it.)

At the beginning of your upkeep, you lose 1 life.

At the beginning of your upkeep, you may return target creature card from your graveyard to the battlefield. That creature gains haste until end of turn. Exile it at the beginning of the next end step.

Target player draws two cards.

Flashback¡ª1U, Pay 3 life. (You may cast this card from your graveyard for its flashback cost. Then exile it.)

As an additional cost to cast this spell, discard X cards at random.

Each player sacrifices X lands. Devastating Dreams deals X damage to each creature.

Target player shuffles up to four target cards from their graveyard into their library.

R, Sacrifice Enslaved Dwarf: Target black creature gets +1/+0 and gains first strike until end of turn.

If any source would deal 1 or more damage to a permanent or player this turn, it deals 2 damage to that permanent or player instead.

Draw a card.

When Faceless Butcher enters the battlefield, exile target creature other than Faceless Butcher.

When Faceless Butcher leaves the battlefield, return the exiled card to the battlefield under its owner's control.

Put the top seven cards of your library into your graveyard. At the beginning of the next end step, exile seven cards from your graveyard.

Search your library for a basic land card, put that card onto the battlefield tapped, then shuffle your library.

Threshold ¡ª If seven or more cards are in your graveyard, instead search your library for up to three basic land cards, put them onto the battlefield tapped, then shuffle your library.

Fiery Temper deals 3 damage to any target.

Madness R (If you discard this card, discard it into exile. When you do, cast it for its madness cost or put it into your graveyard.)

Flaming Gambit deals X damage to target player or planeswalker. That player or that planeswalker's controller may choose a creature they control and have Flaming Gambit deal that damage to it instead.

Flashback XRR (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Green creatures and white creatures can't block this turn.

Flashback¡ª1R, Pay 3 life. (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Enchant creature

As Floating Shield enters the battlefield, choose a color.

Enchanted creature has protection from the chosen color. This effect doesn't remove Floating Shield.

Sacrifice Floating Shield: Target creature gains protection from the chosen color until end of turn.

Destroy target enchantment.

Madness W (If you discard this card, discard it into exile. When you do, cast it for its madness cost or put it into your graveyard.)

Enchant creature

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

Discard a card: Return enchanted creature to its owner's hand.

Flying

Threshold ¡ª As long as seven or more cards are in your graveyard, Gloomdrifter has "When Gloomdrifter enters the battlefield, nonblack creatures get -2/-2 until end of turn."

When Gravegouger enters the battlefield, exile up to two target cards from a single graveyard.

When Gravegouger leaves the battlefield, return the exiled cards to their owner's graveyard.

R, T, Exile two cards from your graveyard: Grim Lavamancer deals 2 damage to any target.

Whenever Grotesque Hybrid deals combat damage to a creature, destroy that creature. It can't be regenerated.

Discard a card: Grotesque Hybrid gains flying and protection from green and from white until end of turn.

At the beginning of your upkeep, sacrifice Gurzigost unless you put two cards from your graveyard on the bottom of your library.

GG, Discard a card: You may have Gurzigost assign its combat damage this turn as though it weren't blocked.

First strike, haste

Discard a card at random: Hell-Bent Raider gains protection from white until end of turn.

U, Sacrifice Hydromorph Guardian: Counter target spell that targets a creature you control.

Flying

U, Sacrifice Hydromorph Gull: Counter target spell that targets a creature you control.

Flying

When Hypnox enters the battlefield, if you cast it from your hand, exile all cards from target opponent's hand.

When Hypnox leaves the battlefield, return the exiled cards to their owner's hand.

W, Discard a card: Prevent the next 3 damage that would be dealt to any target this turn.

W, Sacrifice Hypochondria: Prevent the next 3 damage that would be dealt to any target this turn.

Haste

At the beginning of the end step, sacrifice Ichorid.

At the beginning of your upkeep, if Ichorid is in your graveyard, you may exile a black creature card other than Ichorid from your graveyard. If you do, return Ichorid to the battlefield.

As an additional cost to cast this spell, discard X cards.

Search your library for X cards. Then shuffle your library and put those cards on top of it in any order.

The next creature spell you cast this turn can't be countered.

Draw a card.

You gain life equal to the number of creature cards in all graveyards.

Kamahl's Sledge deals 4 damage to target creature.

Threshold ¡ª If seven or more cards are in your graveyard, instead Kamahl's Sledge deals 4 damage to that creature and 4 damage to that creature's controller.

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

T: Target black creature gets -2/-0 until end of turn.

T: Untap target land.

Threshold ¡ª T: Untap up to three target lands. Activate this ability only if seven or more cards are in your graveyard.

When Laquatus's Champion enters the battlefield, target player loses 6 life.

When Laquatus's Champion leaves the battlefield, that player gains 6 life.

B: Regenerate Laquatus's Champion.

Whenever a permanent other than Last Laugh is put into a graveyard from the battlefield, Last Laugh deals 1 damage to each creature and each player.

When no creatures are on the battlefield, sacrifice Last Laugh.

Counter target spell with converted mana cost 3 or less. If that spell is countered this way, exile it instead of putting it into its owner's graveyard.

When Llawan, Cephalid Empress enters the battlefield, return all blue creatures your opponents control to their owners' hands.

Your opponents can't cast blue creature spells.

When Longhorn Firebeast enters the battlefield, any opponent may have it deal 5 damage to them. If a player does, sacrifice Longhorn Firebeast.

Flying

3WW, Sacrifice Major Teroh: Exile all black creatures.

When Mesmeric Fiend enters the battlefield, target opponent reveals their hand and you choose a nonland card from it. Exile that card.

When Mesmeric Fiend leaves the battlefield, return the exiled card to its owner's hand.

Vigilance

T: Prevent the next 1 damage that would be dealt to any target this turn.

Target player discards a card for each Swamp you control.

Exile all cards from all graveyards.

At the beginning of your upkeep, if twenty or more creature cards are in your graveyard, you win the game.

1B, Discard a card: Exile target card from a graveyard.

1B, Sacrifice Mortiphobia: Exile target card from a graveyard.

All creatures get -1/-1 until end of turn for each Swamp you control.

Flying

Threshold ¡ª As long as seven or more cards are in your graveyard, Mystic Familiar gets +1/+1 and has protection from black.

Protection from black

Threshold ¡ª Nantuko Blightcutter gets +1/+1 for each black permanent your opponents control as long as seven or more cards are in your graveyard.

G, T, Sacrifice Nantuko Calmer: Destroy target enchantment.

Threshold ¡ª Nantuko Calmer gets +1/+1 as long as seven or more cards are in your graveyard.

When Nantuko Cultivator enters the battlefield, you may discard any number of land cards. Put that many +1/+1 counters on Nantuko Cultivator and draw that many cards.

B: Nantuko Shade gets +1/+1 until end of turn.

G, Discard a card: Target creature gets +2/+2 until end of turn.

G, Sacrifice Narcissism: Target creature gets +2/+2 until end of turn.

As an additional cost to cast this spell, discard X cards.

Return X target cards from your graveyard to your hand. Exile Nostalgic Dreams.

Draw a card.

Madness U (If you discard this card, discard it into exile. When you do, cast it for its madness cost or put it into your graveyard.)

T, Exile three cards from your graveyard: Target player loses 3 life.

The next instant or sorcery spell you cast this turn can't be countered.

Draw a card.

For each creature token on the battlefield, its controller creates a token that's a copy of that creature.

Flashback 4GGG (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Threshold ¡ª As long as seven or more cards are in your graveyard, Pardic Arsonist has "When Pardic Arsonist enters the battlefield, it deals 3 damage to any target."

First strike

B: Pardic Collaborator gets +1/+1 until end of turn.

Discard a card at random: Pardic Lancer gets +1/+0 and gains first strike until end of turn.

Prevent all damage a source of your choice would deal this turn.

When Petradon enters the battlefield, exile two target lands.

When Petradon leaves the battlefield, return the exiled cards to the battlefield under their owners' control.

R: Petradon gets +1/+0 until end of turn.

When Petravark enters the battlefield, exile target land.

When Petravark leaves the battlefield, return the exiled card to the battlefield under its owner's control.