Innistrad: Crimson Vow

Rot-Tide Gargantua | Creature | Zombie Kraken | Exploit (When this creature enters the battlefield, you may sacrifice a creature.) When Rot-Tide Gargantua exploits a creature, each opponent sacrifices a creature. | Filip Burburan

Wedding Security | Creature | Vampire Soldier | Whenever Wedding Security attacks, you may sacrifice a Blood token. If you do, put a +1/+1 counter on Wedding Security and draw a card. | Francisco Miyara

Unhallowed Phalanx | Creature | Zombie Soldier | Unhallowed Phalanx enters the battlefield tapped. | Nicholas Gregory