Demon's Den

Instant

Affinity for Frogs (This spell costs {1} less to cast for each Frog you control.) Target creature you control deals damage equal to twice its power to target creature you don't control.

Land

This land enters tapped. {T}: Add {B}. Cycling {2} ({2}, Discard this card: Draw a card.)

Creature — Frog

Each creature spell you cast costs {1} less to cast if it has mutate. Whenever you cast a creature spell, if it has mutate, draw a card, then discard a card.

Creature — Human Wizard

When this creature enters, look at the top three cards of your library, then put them back in any order. You may shuffle. Draw a card.

Creature — Frog Advisor

When this creature enters, draw a card.

Instant

Destroy target creature. It can't be regenerated. Its controller creates a 3/3 green Ape creature token.

Creature — Human Rogue

{1}{B}, Sacrifice another creature or enchantment: This creature gains indestructible until end of turn. Tap it. (Damage and effects that say "destroy" don't destroy it.) Whenever you sacrifice a permanent, target opponent loses 1 life and you gain 1 life.

Artifact Creature — Phyrexian Soldier

({W/P} can be paid with either {W} or 2 life.) First strike

Creature — Phyrexian Soldier

At the beginning of combat on your turn, target creature you control gets +1/+1 until end of turn. If that creature has toxic, instead it gets +2/+2 until end of turn.

Sorcery

Draw three cards, untap up to two lands, then discard a card.

Creature — Human Wizard

Flash When this creature enters during the declare attackers step, you may reselect which player or permanent target attacking creature is attacking. (It can't attack its controller or their permanents.)

Sorcery

Reveal the top X cards of your library. For each card type, you may exile a card of that type from among them. Put the rest into your graveyard. You may cast a spell from among the exiled cards without paying its mana cost if you exiled four or more cards this way. Then put the rest of the exiled cards into your hand.

Creature — Satyr Scout

{T}: Untap target land. {T}: Choose target battle. If an opponent protects it, remove a defense counter from it. Otherwise, put a defense counter on it. Activate only as a sorcery.

Land

This land enters tapped. {T}: Add {U}. {3}{U}{B}{B}, {T}, Sacrifice this land: Mill four cards, then return a creature card from your graveyard to the battlefield tapped. (To mill a card, put the top card of your library into your graveyard.)

Land

As this land enters, you may reveal a Plains or Island card from your hand. If you don't, this land enters tapped. {T}: Add {W} or {U}.

Creature — Goat

{3}, Discard a card: Put three +1/+1 counters on this creature and it becomes a black Demon in addition to its other colors and types. Activate only once.

Artifact — Vehicle

When this Vehicle enters, gain control of target creature an opponent controls for as long as you control this Vehicle. That creature can't attack or block for as long as you control this Vehicle. Crew 3

Creature — Kavu Artificer

Whenever this creature or another Kavu you control enters, exile the top card of your library. For as long as that card remains exiled, you may play it if you control a Kavu. Warp {1}{R} (You may cast this card from your hand for its warp cost. Exile this creature at the beginning of the next end step, then you may cast it from exile on a later turn.)

Creature — Zombie Warlock

This creature can't block. Whenever this creature attacks, each opponent loses 1 life and you gain 1 life. {1}{B}, Exile an instant or sorcery card from your graveyard: Return this card from your graveyard to the battlefield.

Artifact

{T}: Add one mana of any color. {T}: You gain 2 life. Activate only if you've cast an instant or sorcery spell this turn.

Artifact

When this artifact enters, draw a card. {W}, {T}, Sacrifice this artifact: You gain 3 life.

Creature — Shark Beast

Mutate {3}{U} (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.) Flash Whenever this creature mutates, you may return target creature an opponent controls to its owner's hand.

Creature — Human Rogue

Squad {2} (As an additional cost to cast this spell, you may pay {2} any number of times. When this creature enters, create that many tokens that are copies of it.) When this creature enters, destroy up to one target artifact.

Enchantment

Whenever an opponent casts a spell, you may reveal the top card of your library. If you do, you may cast that card without paying its mana cost if the two spells have the same mana value.

Artifact

{T}, Remove a counter from a permanent you control: Choose one — • Put a charge counter on target artifact. • Put a +1/+1 counter on target creature.

Creature — Human Villain

{T}: For each kind of counter on target permanent or player, give that permanent or player another counter of that kind. Activate only as a sorcery.

Instant

Counter target spell unless its controller pays {X}. If that player doesn't, they tap all lands with mana abilities they control and lose all unspent mana.

Sorcery

Each player loses half their life, then discards half the cards in their hand, then sacrifices half the permanents they control of their choice. Round down each time.

Sorcery

Put a +1/+1 counter on each creature target player controls. Target creature gains your choice of double strike or lifelink until end of turn. Flashback {1}{W} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Creature — Dwarf Cleric

First strike When this creature enters, exile target noncreature, nonland card from your graveyard. Until the end of your next turn, you may cast that card.

Land

{T}: Add {C}. {4}{W}{U}, {T}: Prevent all damage a source of your choice would deal this turn.

Creature — Squirrel

Lifelink At the beginning of your end step, if you haven't cast a spell from your hand this turn, put a +1/+1 counter on this creature. {4}{W}: Until end of turn, if you would put one or more +1/+1 counters on a creature you control, put that many plus one +1/+1 counters on it instead.

Land — Plains Island

({T}: Add {W} or {U}.) This land enters tapped unless you control two or more basic lands.

Enchantment

Flash When this enchantment enters, exile up to one target nonland permanent an opponent controls until this enchantment leaves the battlefield. You gain 2 life.

Creature — Phyrexian Elf Warrior

This creature enters with two oil counters on it. {2}{G}, {T}, Remove an oil counter from this creature: Target creature gets +2/+2 until end of turn. Activate only as a sorcery.

Instant

Choose target creature you control. You gain life equal to that creature's power plus its toughness.

Sorcery

Scry 2, then draw a card. (To scry 2, look at the top two cards of your library, then put any number of them on the bottom and the rest on top in any order.)

Enchantment

Whenever a player casts an enchantment spell, counter it.

Instant

Tap target creature. Draw a card.

Instant

Until end of turn, target creature gets +2/+0 and gains "When this creature dies, return it to the battlefield under its owner's control and suspect it." (A suspected creature has menace and can't block.)

Creature — Human Citizen Ally

When this creature dies, create a 1/1 white Ally creature token.

Sorcery

Target creature you control fights target creature you don't control. (Each deals damage equal to its power to the other.)

Instant

This spell costs {2} less to cast if it targets a legendary creature. Destroy target creature. 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.)

Sorcery — Lesson

Destroy target artifact or land an opponent controls. Its controller may search their library for a basic land card, put it onto the battlefield tapped, then shuffle. Draw a card.

Enchantment

Whenever a player taps a land for mana, if it's not that player's turn, destroy that land.

Sorcery

Gain control of target creature until end of turn. Untap that creature. It gains haste until end of turn. If mana from a Treasure was spent to cast this spell, that creature gets +2/+0 until end of turn.

Creature — Plant Mercenary

When this creature enters, create a 1/1 red Mercenary creature token with "{T}: Target creature you control gets +1/+0 until end of turn. Activate only as a sorcery."

Creature — Shapeshifter

Changeling (This card is every creature type.) Lifelink

Creature — Cat

Vigilance (Attacking doesn't cause this creature to tap.) When this creature enters, create a 1/1 white Cat creature token.

Creature — Cat Monk

Defender Whenever this creature blocks, you gain 3 life.

Creature — Cat

When this creature enters, put a +1/+1 counter on target creature you control. Each creature you control with a +1/+1 counter on it has trample. (It can deal excess combat damage to the player or planeswalker it's attacking.)

Creature — Zombie Cat Warrior

Vigilance Start your engines! (If you have no speed, it starts at 1. It increases once on each of your turns when an opponent loses life. Max speed is 4.) Max speed — At the beginning of combat on your turn, target creature or Vehicle you control gains double strike until end of turn.

Creature — Dwarf Cleric

When this creature enters, you gain 1 life and draw a card.

Creature — Human Warlock

{T}, Pay 3 life, Sacrifice this creature: Return target creature card from your graveyard to the battlefield. Activate only as a sorcery. Unearth {3}{W}{B} ({3}{W}{B}: Return this card from your graveyard to the battlefield. It gains haste. Exile it at the beginning of the next end step or if it would leave the battlefield. Unearth only as a sorcery.)