Plummet

Tavern Smasher

Nightbound (If a player casts at least two spells during their own turn, it becomes day next turn.)

Tavern Ruffian

Daybound (If a player casts no spells during their own turn, it becomes night next turn.)

Tavern Ruffian // Tavern Smasher

Hinterland Scourge

Hinterland Scourge must be blocked if able.
At the beginning of each upkeep, if a player cast two or more spells last turn, transform Hinterland Scourge.

Hinterland Hermit

At the beginning of each upkeep, if no spells were cast last turn, transform Hinterland Hermit.

Hinterland Hermit // Hinterland Scourge

Taunting Kobold

Haste
Whenever Taunting Kobold attacks, goad target creature an opponent controls. (Until your next turn, that creature attacks each combat if able and attacks a player other than you if able.)

Giant Growth

Target creature gets +3/+3 until end of turn.

Forest

Tranquil Path

Thrill of Possibility

As an additional cost to cast this spell, discard a card.
Draw two cards.

Moonmist

Transform all Humans. Prevent all combat damage that would be dealt this turn by creatures other than Werewolves and Wolves. (Only double-faced cards can be transformed.)

Hunger of the Howlpack

Put a +1/+1 counter on target creature.
Morbid — Put three +1/+1 counters on that creature instead if a creature died this turn.

Lord of the Ulvenwald

Other Wolves and Werewolves you control get +1/+1.
Whenever Lord of the Ulvenwald attacks, add {R} or {G}. Until end of turn, you don't lose this mana as steps and phases end.
Nightbound (If a player casts at least two spells during their own turn, it becomes day next turn.)

Kessig Naturalist

Whenever Kessig Naturalist attacks, add {R} or {G}. Until end of turn, you don't lose this mana as steps and phases end.
Daybound (If a player casts no spells during their own turn, it becomes night next turn.)

Kessig Naturalist // Lord of the Ulvenwald

Kazandu Valley

Kazandu Valley enters tapped.
{T}: Add {G}.

Kazandu Mammoth

Landfall — Whenever a land you control enters, Kazandu Mammoth gets +2/+2 until end of turn.

Kazandu Mammoth // Kazandu Valley

Crash Through

Creatures you control gain trample until end of turn. (A creature with trample can deal excess combat damage to the player or planeswalker it's attacking.)
Draw a card.

Erupting Dreadwolf

Whenever Erupting Dreadwolf attacks, it deals 2 damage to any target.

Smoldering Werewolf

When Smoldering Werewolf enters, it deals 1 damage to each of up to two target creatures.
{4}{R}{R}: Transform Smoldering Werewolf.

Smoldering Werewolf // Erupting Dreadwolf

Crimson Fleet Commodore

Trample
When Crimson Fleet Commodore enters, you become the monarch.

Ashmouth Blade

Equipped creature gets +3/+3 and has first strike.
Equip {3}

Neglected Heirloom

Equipped creature gets +1/+1.
When equipped creature transforms, transform Neglected Heirloom.
Equip {1}

Neglected Heirloom // Ashmouth Blade

Rending Vines

Destroy target artifact or enchantment if its mana value is less than or equal to the number of cards in your hand.
Draw a card.

Tome Shredder

Haste
{T}, Exile an instant or sorcery card from your graveyard: Put a +1/+1 counter on Tome Shredder.

Spellrune Howler

Whenever you cast an instant or sorcery spell, Spellrune Howler gets +2/+2 until end of turn.
Nightbound (If a player casts at least two spells during their own turn, it becomes day next turn.)

Spellrune Painter

Whenever you cast an instant or sorcery spell, Spellrune Painter gets +1/+1 until end of turn.
Daybound (If a player casts no spells during their own turn, it becomes night next turn.)

Spellrune Painter // Spellrune Howler

Dire-Strain Brawler

Vigilance
Nightbound (If a player casts at least two spells during their own turn, it becomes day next turn.)

Tireless Hauler

Vigilance
Daybound (If a player casts no spells during their own turn, it becomes night next turn.)

Tireless Hauler // Dire-Strain Brawler

Fibrous Entangler

Vigilance
Fibrous Entangler must be blocked if able.
Fibrous Entangler can block an additional creature each combat.

Tangleclaw Werewolf

Tangleclaw Werewolf can block an additional creature each combat.
{6}{G}: Transform Tangleclaw Werewolf.

Tangleclaw Werewolf // Fibrous Entangler

Infested Werewolf

Whenever Infested Werewolf enters or attacks, create two 1/1 green Insect creature tokens.
Nightbound (If a player casts at least two spells during their own turn, it becomes day next turn.)

Infestation Expert

Whenever Infestation Expert enters or attacks, create a 1/1 green Insect creature token.
Daybound (If a player casts no spells during their own turn, it becomes night next turn.)

Infestation Expert // Infested Werewolf

Lambholt Butcher

At the beginning of each upkeep, if a player cast two or more spells last turn, transform Lambholt Butcher.

Lambholt Pacifist

Lambholt Pacifist can't attack unless you control a creature with power 4 or greater.
At the beginning of each upkeep, if no spells were cast last turn, transform Lambholt Pacifist.

Lambholt Pacifist // Lambholt Butcher

Silverfur Partisan

Trample
Whenever a Wolf or Werewolf you control becomes the target of an instant or sorcery spell, create a 2/2 green Wolf creature token.

Village Reavers

Wolves and Werewolves you control have haste.
Nightbound (If a player casts at least two spells during their own turn, it becomes day next turn.)

Village Watch

Haste
Daybound (If a player casts no spells during their own turn, it becomes night next turn.)

Village Watch // Village Reavers

Fire-Belly Changeling

Changeling (This card is every creature type.)
{R}: Fire-Belly Changeling gets +1/+0 until end of turn. Activate no more than twice each turn.

You Find Some Prisoners

Choose one —
• Break Their Chains — Destroy target artifact.
• Interrogate Them — Exile the top three cards of target opponent's library. Choose one of them. Until the end of your next turn, you may play that card, and you may spend mana as though it were mana of any color to cast it.

Arlinn, Voice of the Pack

Each creature you control that's a Wolf or a Werewolf enters with an additional +1/+1 counter on it.
−2: Create a 2/2 green Wolf creature token.

Harvesttide Assailant

Trample
Nightbound (If a player casts at least two spells during their own turn, it becomes day next turn.)

Harvesttide Infiltrator

Trample
Daybound (If a player casts no spells during their own turn, it becomes night next turn.)

Harvesttide Infiltrator // Harvesttide Assailant

Krallenhorde Wantons

At the beginning of each upkeep, if a player cast two or more spells last turn, transform Krallenhorde Wantons.

Grizzled Outcasts

At the beginning of each upkeep, if no spells were cast last turn, transform Grizzled Outcasts.

Grizzled Outcasts // Krallenhorde Wantons

Smelt

Shiny Impetus

Enchant creature
Enchanted creature gets +2/+2 and is goaded. (It attacks each combat if able and attacks a player other than you if able.)
Whenever enchanted creature attacks, you create a Treasure token. (It's an artifact with "{T}, Sacrifice this artifact: Add one mana of any color.")

Shatterstorm

Destroy all artifacts. They can't be regenerated.

Earth

Aftermath (Cast this spell only from your graveyard. Then exile it.)
Earth deals X damage to each creature without flying.

Heaven

Heaven deals X damage to each creature with flying.

Heaven // Earth

Silverpelt Werewolf

Whenever Silverpelt Werewolf deals combat damage to a player, draw a card.
At the beginning of each upkeep, if a player cast two or more spells last turn, transform Silverpelt Werewolf.

Lambholt Elder

At the beginning of each upkeep, if no spells were cast last turn, transform Lambholt Elder.

Lambholt Elder // Silverpelt Werewolf

Dire-Strain Demolisher

Ward {3} (Whenever this creature becomes the target of a spell or ability an opponent controls, counter it unless that player pays {3}.)
Nightbound (If a player casts at least two spells during their own turn, it becomes day next turn.)

Burly Breaker

Ward {1} (Whenever this creature becomes the target of a spell or ability an opponent controls, counter it unless that player pays {1}.)
Daybound (If a player casts no spells during their own turn, it becomes night next turn.)

Burly Breaker // Dire-Strain Demolisher

Defend the Celestus

Distribute three +1/+1 counters among one, two, or three target creatures you control.

Mountain

Tuktuk Rubblefort

Defender, reach
Creatures you control have haste.

Universal Solvent

{7}, {T}, Sacrifice Universal Solvent: Destroy target permanent.

Tovolar, the Midnight Scourge

Whenever a Wolf or Werewolf you control deals combat damage to a player, draw a card.
{X}{R}{G}: Target Wolf or Werewolf you control gets +X/+0 and gains trample until end of turn.
Nightbound

Tovolar, Dire Overlord

Whenever a Wolf or Werewolf you control deals combat damage to a player, draw a card.
At the beginning of your upkeep, if you control three or more Wolves and/or Werewolves, it becomes night. Then transform any number of Human Werewolves you control.
Daybound

Tovolar, Dire Overlord // Tovolar, the Midnight Scourge

Bronze Sable

Branded Howler

At the beginning of each upkeep, if a player cast two or more spells last turn, transform Branded Howler.

Convicted Killer

At the beginning of each upkeep, if no spells were cast last turn, transform Convicted Killer.

Convicted Killer // Branded Howler

Wrathful Jailbreaker

Wrathful Jailbreaker attacks each combat if able.
Nightbound (If a player casts at least two spells during their own turn, it becomes day next turn.)

Weary Prisoner

Defender
Daybound (If a player casts no spells during their own turn, it becomes night next turn.)

Weary Prisoner // Wrathful Jailbreaker

Prey Upon

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

Fearsome Werewolf

Menace (This creature can't be blocked except by two or more creatures.)
Nightbound (If a player casts at least two spells during their own turn, it becomes day next turn.)

Fearful Villager

Menace (This creature can't be blocked except by two or more creatures.)
Daybound (If a player casts no spells during their own turn, it becomes night next turn.)

Fearful Villager // Fearsome Werewolf

Smash

Tormenting Voice

Howling Chorus

Creatures with power less than Howling Chorus's power can't block it.
Whenever Howling Chorus deals combat damage to a player, create a 3/2 colorless Eldrazi Horror creature token.

Shrill Howler

Creatures with power less than Shrill Howler's power can't block it.
{5}{G}: Transform Shrill Howler.

Shrill Howler // Howling Chorus

Conduit of Emrakul

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

Conduit of Storms

Whenever Conduit of Storms attacks, add {R} at the beginning of your next main phase this turn.
{3}{R}{R}: Transform Conduit of Storms.

Conduit of Storms // Conduit of Emrakul

Fang of the Pack

Melee (Whenever this creature attacks, it gets +1/+1 until end of turn for each opponent you attacked this combat.)
At the beginning of combat on your turn, another target creature you control gains melee until end of turn. (If a creature has multiple instances of melee, each triggers separately.)

War-Spike Changeling

Changeling (This card is every creature type.)
{R}: War-Spike Changeling gains first strike until end of turn.

Howlpack of Estwald

At the beginning of each upkeep, if a player cast two or more spells last turn, transform Howlpack of Estwald.

Villagers of Estwald

At the beginning of each upkeep, if no spells were cast last turn, transform Villagers of Estwald.

Villagers of Estwald // Howlpack of Estwald

Savage Packmate

Trample
Other creatures you control get +1/+0.
Nightbound (If a player casts at least two spells during their own turn, it becomes day next turn.)

Child of the Pack

{2}{R}{G}: Create a 2/2 green Wolf creature token.
Daybound (If a player casts no spells during their own turn, it becomes night next turn.)

Child of the Pack // Savage Packmate

Hunter's Insight

Choose target creature you control. Whenever that creature deals combat damage to a player or planeswalker this turn, draw that many cards.

Goblin War Drums

Creatures you control have menace. (They can't be blocked except by two or more creatures.)

Werebear

{T}: Add {G}.
Threshold — Werebear gets +3/+3 as long as seven or more cards are in your graveyard.

Waxing Moon

Transform up to one target Werewolf you control. Creatures you control gain trample until end of turn.

Volatile Claws

Until end of turn, creatures you control get +2/+0 and gain all creature types.

One of the Pack

At the beginning of each upkeep, if a player cast two or more spells last turn, transform One of the Pack.

Solitary Hunter

At the beginning of each upkeep, if no spells were cast last turn, transform Solitary Hunter.

Solitary Hunter // One of the Pack

The Celestus

If it's neither day nor night, it becomes day as The Celestus enters.
{T}: Add one mana of any color.
{3}, {T}: If it's night, it becomes day. Otherwise, it becomes night. Activate only as a sorcery.
Whenever day becomes night or night becomes day, you gain 1 life. You may draw a card. If you do, discard a card.

Soul's Fire

Target creature you control deals damage equal to its power to any target.

Monsoon

At the beginning of each player's end step, tap all untapped Islands that player controls and Monsoon deals X damage to the player, where X is the number of Islands tapped this way.

Ulvenwald Abomination

Ulvenwald Captive

Defender
{T}: Add {G}.
{5}{G}{G}: Transform Ulvenwald Captive.

Ulvenwald Captive // Ulvenwald Abomination

Moonscarred Werewolf

Vigilance
{T}: Add {G}{G}.
At the beginning of each upkeep, if a player cast two or more spells last turn, transform Moonscarred Werewolf.