+1: Until end of turn, up to one target creature gets +2/+2 and gains vigilance and haste.

0: Create a 2/2 green Wolf creature token. Transform Arlinn Kord.

+1: Creatures you control get +1/+1 and gain trample until end of turn.

-1: Arlinn, Embraced by the Moon deals 3 damage to any target. Transform Arlinn, Embraced by the Moon.

-6: You get an emblem with "Creatures you control have haste and '{T}: This creature deals damage equal to its power to any target.'"

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

+1: Until your next turn, you may cast creature spells as though they had flash, and each creature you control enters the battlefield with an additional +1/+1 counter on it.

-3: Create two 2/2 green Wolf creature tokens.

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

+2: Add {R}{G}.

0: Until end of turn, Arlinn, the Moon's Fury becomes a 5/5 Werewolf creature with trample, indestructible, and haste.

Ascendant Packleader enters the battlefield with a +1/+1 counter on it if you control a permanent with mana value 4 or greater.

Whenever you cast a spell with mana value 4 or greater, put a +1/+1 counter on Ascendant Packleader.

Hexproof

At the beginning of combat on your turn, put two +1/+1 counters on another target creature you control.

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

Hexproof

Other permanents you control have hexproof.

At the beginning of combat on your turn, put two +1/+1 counters on each creature you control.

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

Vigilance

Whenever Cemetery Prowler enters the battlefield or attacks, exile a card from a graveyard.

Spells you cast cost {1} less to cast for each card type they share with cards exiled with Cemetery Prowler.

{T}: Add {R}.

{T}: Add {G}.

If you control two or more other lands, Den of the Bugbear enters the battlefield tapped.

{T}: Add {R}.

{3}{R}: Until end of turn, Den of the Bugbear becomes a 3/2 red Goblin creature with "Whenever this creature attacks, create a 1/1 red Goblin creature token that's tapped and attacking." It's still a land.

{T}: Add three mana of any one color.

First strike, reach

At the beginning of combat on your turn, put X +1/+1 counters on another target creature you control, where X is Halana and Alena's power. That creature gains haste until end of turn.

Permanents you control gain hexproof and indestructible until end of turn.

This spell can't be countered.

{1}{G}, {T}: You may put a creature card from your hand onto the battlefield. If it's a Wolf or Werewolf, untap Howlpack Piper. Activate only as a sorcery.

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

Whenever this creature enters the battlefield or transforms into Wildsong Howler, look at the top six cards of your library. You may reveal a creature card from among them and put it into your hand. Put the rest on the bottom of your library in a random order.

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

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

Each other creature you control that's a Wolf or a Werewolf gets +1/+1.

Non-Human Werewolves you control can't transform.

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.)

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.)

Reveal the top two cards of your library. Put all creature and land cards revealed this way into your hand and the rest on the bottom of your library in any order.

If you control two or more other lands, Lair of the Hydra enters the battlefield tapped.

{T}: Add {G}.

{X}{G}: Until end of turn, Lair of the Hydra becomes an X/X green Hydra creature. It's still a land. X can't be 0.

Other Human creatures you control get +1/+1.

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

Each other creature you control that's a Werewolf or a Wolf gets +1/+1.

At the beginning of your end step, create a 2/2 green Wolf creature token.

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

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

Whenever an opponent casts a spell, Tovolar's Magehunter deals 2 damage to that player.

At the beginning of each upkeep, if a player cast two or more spells last turn, transform Tovolar's Magehunter.

Changeling (This card is every creature type.)

As Morophon, the Boundless enters the battlefield, choose a creature type.

Spells of the chosen type you cast cost {W}{U}{B}{R}{G} less to cast. This effect reduces only the amount of colored mana you pay.

Other creatures you control of the chosen type get +1/+1.

Flash

Other Wolves and Werewolves you control get +1/+1.

At the beginning of your end step, if you didn't cast a spell this turn, create a 2/2 green Wolf creature token.

{1}, Sacrifice Outland Liberator: Destroy target artifact or enchantment.

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

{1}, Sacrifice Frenzied Trapbreaker: Destroy target artifact or enchantment.

Whenever Frenzied Trapbreaker attacks, destroy target artifact or enchantment defending player controls.

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

Trample

When Primal Adversary enters the battlefield, you may pay {1}{G} any number of times. When you pay this cost one or more times, put that many +1/+1 counters on Primal Adversary, then up to that many target lands you control become 3/3 Wolf creatures with haste that are still lands.

Creatures you control have double strike.

At the beginning of combat on your turn, target creature you control gets +1/+0 and gains haste until end of turn.

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

At the beginning of combat on your turn, target creature you control gets +2/+0 and gains trample and haste until end of turn.

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

Rockfall Vale enters the battlefield tapped unless you control two or more other lands.

{T}: Add {R} or {G}.

Put a +1/+1 counter on target creature you control. It gains hexproof until end of turn. (It can't be the target of spells or abilities your opponents control.)

Look at the top five cards of your library. You may put up to two permanent cards with mana value 5 or less from among them onto the battlefield. Put the rest on the bottom of your library in a random order.

Flashback {7}{G}{G}{G} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

If it's neither day nor night, it becomes day as The Celestus enters the battlefield.

{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.

When Tovolar's Huntmaster enters the battlefield, create two 2/2 green Wolf creature tokens.

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

Whenever Tovolar's Packleader enters the battlefield or attacks, create two 2/2 green Wolf creature tokens.

{2}{G}{G}: Another target Wolf or Werewolf you control fights target creature you don't control.

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

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

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

Whenever this creature enters the battlefield or transforms into Ulrich of the Krallenhorde, target creature gets +4/+4 until end of turn.

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

Whenever this creature transforms into Ulrich, Uncontested Alpha, you may have it fight target non-Werewolf creature you don't control.

At the beginning of each upkeep, if a player cast two or more spells last turn, transform Ulrich, Uncontested Alpha.

At the beginning of each combat, double the power and toughness of each creature you control until end of turn.

Menace, haste

Whenever Volatile Arsonist attacks, it deals 1 damage to each of up to one target creature, up to one target player, and/or up to one target planeswalker.

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

Menace, haste

Whenever Dire-Strain Anarchist attacks, it deals 2 damage to each of up to one target creature, up to one target player, and/or up to one target planeswalker.

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

Pack tactics -- Whenever Werewolf Pack Leader attacks, if you attacked with creatures with total power 6 or greater this combat, draw a card.

{3}{G}: Until end of turn, Werewolf Pack Leader has base power and toughness 5/3, gains trample, and isn't a Human.

Indestructible

As long as your devotion to red and green is less than seven, Xenagos isn't a creature.

At the beginning of combat on your turn, another target creature you control gains haste and gets +X/+X until end of turn, where X is that creature's power.

+1: Add X mana in any combination of {R} and/or {G}, where X is the number of creatures you control.

0: Create a 2/2 red and green Satyr creature token with haste.

-6: Exile the top seven cards of your library. You may put any number of creature and/or land cards from among them onto the battlefield.