{T}: Add one mana of any color in your commander's color identity.

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 one mana of any color in your commander's color identity.

Sacrifice Commander's Sphere: Draw a card.

Each spell you cast that's red or green costs {1} less to cast.

Flash

At the beginning of your upkeep, for each creature you control that's a Wolf or a Werewolf, create a 2/2 green Wolf creature token.

At the beginning of combat on your turn, target Wolf or Werewolf you control gets +2/+2 until end of turn.

Whenever an opponent casts their second spell each turn, create a 2/2 green Wolf creature token.

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.)

Whenever Kessig Cagebreakers attacks, create a 2/2 green Wolf creature token that's tapped and attacking for each creature card in your graveyard.

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.)

{T}: Add {C}{C}.

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

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.