Tome Entry
Howlpack Piper // Wildsong Howler
Innistrad: Crimson Vow · rare
Howlpack Piper
Creature — Human Werewolf
2 / 2
This spell can't be countered.
, : You may put a creature card from your hand onto the battlefield. If it's a Wolf or Werewolf, untap this creature. Activate only as a sorcery.
Daybound (If a player casts no spells during their own turn, it becomes night next turn.)

Wildsong Howler
Creature — Werewolf
4 / 4
Whenever this creature enters 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.)

Legality
StandardFutureHistoricTimelessGladiatorPioneerModernLegacyPauperVintagePennyCommanderOathbreakerStandardbrawlBrawlAlchemyPaupercommanderDuelOldschoolPremodernPredhTlr
Market Prices
USD $0.75Foil $0.84EUR €0.62