Innistrad: Midnight Hunt

Champion of the Perished | Creature | Zombie | Whenever another Zombie enters the battlefield under your control, put a +1/+1 counter on Champion of the Perished. | Kekai Kotaki

Falkenrath Pit Fighter | Creature | Vampire Warrior | {1}{R}, Discard a card, Sacrifice a Vampire: Draw two cards. Activate only if an opponent lost life this turn. | Anna Fehr

Willow Geist | Creature | Treefolk Spirit | Trample Whenever one or more cards leave your graveyard, put a +1/+1 counter on Willow Geist. When Willow Geist dies, you gain life equal to its power. | Ryan Yee