Zendikar Rising

Skyclave Shadowcat | Creature | Cat Horror | {1}{B}, Sacrifice another creature: Put a +1/+1 counter on Skyclave Shadowcat. Whenever a creature you control with a +1/+1 counter on it dies, draw a card. | Simon Dominic

Acquisitions Expert | Creature | Human Rogue | When Acquisitions Expert enters the battlefield, target opponent reveals a number of cards from their hand equal to the number of creatures in your party. You choose one of those cards. That player discards that card. (Your party consists of up to one each of Cleric, Rogue, Warrior, and Wizard.) | Anna Steinbauer

Shadow Stinger | Creature | Vampire Rogue | Tap another untapped Rogue you control: Shadow Stinger gains deathtouch until end of turn. Whenever Shadow Stinger deals combat damage to a player, that player mills three cards. (They put the top three cards of their library into their graveyard.) | John Thacker

Blackbloom Rogue | Creature | Human Rogue | Menace (This creature can't be blocked except by two or more creatures.) Blackbloom Rogue gets +3/+0 as long as an opponent has eight or more cards in their graveyard. | Jesper Ejsing

Scion of the Swarm | Creature | Vampire Cleric | Flying Whenever you gain life, put a +1/+1 counter on Scion of the Swarm. | Ekaterina Burmak

Demon's Disciple | Creature | Human Cleric | When Demon's Disciple enters the battlefield, each player sacrifices a creature or planeswalker. | Kieran Yanner

Cleric of Life's Bond | Creature | Vampire Cleric | Whenever another Cleric enters the battlefield under your control, you gain 1 life. Whenever you gain life for the first time each turn, put a +1/+1 counter on Cleric of Life's Bond. | Andrey Kuzinskiy

Soaring Thought-Thief | Creature | Human Rogue | Flash Flying As long as an opponent has eight or more cards in their graveyard, Rogues you control get +1/+0. Whenever one or more Rogues you control attack, each opponent mills two cards. | Lie Setiawan

Moss-Pit Skeleton | Creature | Plant Skeleton | Kicker {3} (You may pay an additional {3} as you cast this spell.) If Moss-Pit Skeleton was kicked, it enters the battlefield with three +1/+1 counters on it. Whenever one or more +1/+1 counters are put on a creature you control, if Moss-Pit Skeleton is in your graveyard, you may put Moss-Pit Skeleton on top of your library. | Bryan Sola