Demon's Den

Creature — Kithkin Citizen

As an additional cost to cast this spell, behold a Kithkin or pay {2}. (To behold a Kithkin, choose a Kithkin you control or reveal a Kithkin card from your hand.) Whenever another creature you control enters, this creature gets +1/+1 until end of turn.

Creature — Human Druid

Lifelink When this creature enters, it endures 1. (Put a +1/+1 counter on it or create a 1/1 white Spirit creature token.)

Instant

Exile target permanent with mana value 3 or greater.

Legendary Creature — Phyrexian Vampire

Flying Whenever another nontoken creature you control dies, you may pay 2 life and exile it. If you do, create a token that's a copy of that creature, except it's 1/1 and has toxic 1. (Players dealt combat damage by it also get a poison counter.)

Legendary Planeswalker — Kiora

Whenever a creature you control with power 4 or greater enters, draw a card. −1: Untap target permanent.

Legendary Creature — Merfolk Noble

When Kiora enters, draw two cards, then discard two cards. Threshold — Whenever Kiora attacks, if there are seven or more cards in your graveyard, you may create Scion of the Deep, a legendary 8/8 blue Octopus creature token.

Legendary Creature — Vampire Cleric

Tap two untapped creatures you control: Copy target triggered ability you control. You may choose new targets for the copy. Activate only once each turn.

Enchantment — Aura

Enchant creature Enchanted creature can't attack. Threshold — Enchanted creature can't block as long as there are seven or more cards in your graveyard.

Sorcery

Destroy all creatures. They can't be regenerated. Threshold — If there are seven or more cards in your graveyard, instead destroy all creatures, then create two 1/1 white Spirit creature tokens with flying. Creatures destroyed this way can't be regenerated.

Creature — Bird Scout

Flying Whenever a card leaves your graveyard during your turn, draw a card. This ability triggers only once each turn.

Creature — Human Citizen

When this creature enters, you may exile a creature card from your graveyard. When you do, return target instant or sorcery card from your graveyard to your hand.

Land

This land enters tapped unless you control an Island or a Swamp. {T}: Add {G}. {3}{G}, {T}: 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.)

Creature — Imp

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

Creature — Kor Cleric

Kicker {2}{W} (You may pay an additional {2}{W} as you cast this spell.) Flying When this creature enters, if it was kicked, tap up to two target creatures.

Creature — Human Pirate

This creature has flying as long as it's attacking.

Creature — Human Pirate

Flying When this creature enters, target opponent reveals their hand. You choose a noncreature, nonland card from it. Exile that card until this creature leaves the battlefield.

Creature — Kor Scout

Flying

Creature — Elemental

Vivid — When this creature enters, create X 1/1 green and white Kithkin creature tokens, where X is the number of colors among permanents you control. Tap three untapped creatures you control: This creature gets +3/+0 and gains flying until end of turn.

Creature — Kithkin Wizard

Flying {1}{W}, Sacrifice this creature: Destroy target enchantment. 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.)

Enchantment — Aura

Gift a card (You may promise an opponent a gift as you cast this spell. If you do, when it enters, they draw a card.) Enchant creature When this Aura enters, tap enchanted creature. If the gift wasn't promised, put three stun counters on it. You control enchanted creature.

Creature — Fox Pilot

Whenever a Vehicle you control attacks, choose one — • That Vehicle gains first strike until end of turn. • Untap this creature.

Instant

Sneak {1}{U} (You may cast this spell for {1}{U} if you also return an unblocked attacker you control to hand during the declare blockers step.) Target opponent mills half their library, rounded up.

Creature — Skeleton

When this creature enters, sacrifice a creature. {B}: Regenerate this creature.

Creature — Human Soldier

{T}: Target creature gets +1/+1 until end of turn. When that creature leaves the battlefield this turn, sacrifice this creature. Activate only during combat and only if defending player controls no snow lands.

Artifact — Clue Equipment

During your turn, equipped creature gets +1/+0 and has first strike. {2}, Sacrifice this Equipment: Draw a card. Equip {2}

Artifact Creature — Myr Knight

{2}{W}: Adapt 1. (If this creature has no +1/+1 counters on it, put a +1/+1 counter on it.) Whenever one or more +1/+1 counters are put on this creature, it gains double strike until end of turn.

Creature — Bird Knight

Flying Whenever another nontoken Bird you control enters, create a 1/1 blue Fish creature token.

Creature — Human Knight

When this creature enters, create a 1/1 white Human Soldier creature token. Warp {1}{W} (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.)

Enchantment — Aura

Enchant creature When this Aura enters, create a 2/2 white Knight creature token with vigilance. (Attacking doesn't cause it to tap.) Enchanted creature gets +2/+2 and has vigilance.

Creature — Human Knight

First strike If you would gain life, you gain that much life plus 1 instead. {1}{W}: This creature gets +1/+1 until end of turn.

Creature — Human Knight

Whenever an enchantment you control is put into a graveyard from the battlefield, create a 1/1 white Bird creature token with flying.

Creature — Human Knight

Menace (This creature can't be blocked except by two or more creatures.) Your opponents can't gain life. {1}{B}: This creature gets +1/+1 until end of turn.

Creature — Human Knight

Protection from black (This creature can't be blocked, targeted, dealt damage, or enchanted by anything black.) Exalted (Whenever a creature you control attacks alone, that creature gets +1/+1 until end of turn.)

Creature — Human Knight

First strike (This creature deals combat damage before creatures without first strike.) Hexproof from black (This creature can't be the target of black spells or abilities your opponents control.) This creature gets +1/+0 as long as any player controls a black permanent.

Creature — Human Knight

First strike (This creature deals combat damage before creatures without first strike.) Hexproof from white (This creature can't be the target of white spells or abilities your opponents control.) This creature gets +1/+0 as long as any player controls a white permanent.

Creature — Human Knight

Creature — Human Knight

First strike When this creature enters, if an opponent controls more lands than you, you may search your library for a Plains card, put it onto the battlefield, then shuffle.

Creature — Human Knight

Whenever you draw your second card each turn, put a +1/+1 counter on this creature.

Instant

This spell costs {2} less to cast if it targets a red creature. Knockout Blow deals 4 damage to target attacking or blocking creature and you gain 2 life.

Sorcery

Put a +1/+1 counter on target creature you control, then it deals damage equal to its power to target creature an opponent controls.

Creature — Dragon

Flying When this creature enters, you may discard your hand and draw cards equal to the damage dealt to target opponent this turn.

Enchantment

Creatures you control get +X/+X, where X is the number of cards you've drawn this turn.

Creature — Fox Spirit

Vigilance Whenever you draw your second card each turn, put a +1/+1 counter on this creature. When this creature dies, create a Clue token. (It's an artifact with "{2}, Sacrifice this token: Draw a card.")

Creature — Ogre Warrior

Haste Whenever this creature attacks, look at the top six cards of your library. You may reveal a Dragon card from among them and put it into your hand. Put the rest on the bottom of your library in a random order.

Legendary Creature — Human Pilot

Mounts and Vehicles you control have haste. Whenever a Mount you control enters, it becomes saddled until end of turn. Whenever a Vehicle you control enters, it becomes an artifact creature until end of turn.

Legendary Creature — Serpent

This spell can't be countered. Trample, ward {4} Whenever Koma deals combat damage to a player, create four 3/3 blue Serpent creature tokens named Koma's Coil.

Creature — Kor Warrior

Double strike Equipped Warriors you control have double strike.

Creature — Kor Cleric

Whenever this creature or another creature you control enters, you gain 1 life.

Artifact — Equipment

Equipped creature gets +1/+1 and has vigilance. Equip {1} ({1}: Attach to target creature you control. Equip only as a sorcery.)

Creature — Kor Soldier Ally

{1}{W}: This creature gains flying until end of turn.