Innistrad: Crimson Vow

Ascendant Packleader | Creature | Wolf | 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. | Alessandra Pisano

Ulvenwald Oddity // Ulvenwald Behemoth | Creature // Creature | Beast // Beast Horror | Trample, haste {5}{G}{G}: Transform Ulvenwald Oddity. // Trample, haste Other creatures you control get +1/+1 and have trample and haste. | Brent Hollowell

Hiveheart Shaman | Creature | Human Shaman | Whenever Hiveheart Shaman attacks, you may search your library for a basic land card that doesn't share a land type with a land you control, put that card onto the battlefield, then shuffle. {5}{G}: Create a 1/1 green Insect creature token. Put X +1/+1 counters on it, where X is the number of basic land types among lands you control. Activate only as a sorcery. | Eric Deschamps

Howlpack Piper | Creature | Human Werewolf | 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.) | Cristi Balanescu

Hamlet Vanguard | Creature | Human Warrior | Ward {2} (Whenever this creature becomes the target of a spell or ability an opponent controls, counter it unless that player pays {2}.) Hamlet Vanguard enters the battlefield with two +1/+1 counters on it for each other nontoken Human you control. | PINDURSKI

Torens, Fist of the Angels | Legendary Creature | Human Cleric | Training (Whenever this creature attacks with another creature with greater power, put a +1/+1 counter on this creature.) Whenever you cast a creature spell, create a 1/1 green and white Human Soldier creature token with training. | Justine Cruz

Grolnok, the Omnivore | Legendary Creature | Frog | Whenever a Frog you control attacks, mill three cards. Whenever a permanent card is put into your graveyard from your library, exile it with a croak counter on it. You may play lands and cast spells from among cards you own in exile with croak counters on them. | Simon Dominic

Old Rutstein | Legendary Creature | Human Peasant | When Old Rutstein enters the battlefield or at the beginning of your upkeep, mill a card. If a land card is milled this way, create a Treasure token. If a creature card is milled this way, create a 1/1 green Insect creature token. If a noncreature, nonland card is milled this way, create a Blood token. | Greg Staples

Halana and Alena, Partners | Legendary Creature | Human Ranger | 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. | Jason Rainville