Entropic Specter

Flying
As Entropic Specter enters, choose an opponent.
Entropic Specter’s power and toughness are each equal to the number of cards in the chosen player’s hand.
Whenever Entropic Specter deals damage to a player, that player discards a card.

Jackalope Herd

When you cast a spell, return Jackalope Herd to its owner’s hand.

Mind Maggots

When Mind Maggots enters, discard any number of creature cards. For each card discarded this way, put two +1/+1 counters on Mind Maggots.

Cursed Flesh

Enchant creature
Enchanted creature gets -1/-1 and has fear. (It can’t be blocked except by artifact creatures and/or black creatures.)

Crashing Boars

Whenever Crashing Boars attacks, defending player chooses an untapped creature they control. That creature blocks Crashing Boars this turn if able.

Sibilant Spirit

Flying
Whenever Sibilant Spirit attacks, defending player may draw a card.

Volrath’s Shapeshifter

As long as the top card of your graveyard is a creature card, Volrath’s Shapeshifter has the full text of that card and has the text “: Discard a card.” (Volrath’s Shapeshifter has that card’s name, mana cost, color, types, abilities, power, and toughness.)
: Discard a card.

Sliver Queen

: Create a 1/1 colorless Sliver creature token.

Spined Sliver

Whenever a Sliver becomes blocked, that Sliver gets +1/+1 until end of turn for each creature blocking it.

Mob Justice

Mob Justice deals damage to target player or planeswalker equal to the number of creatures you control.

Ransack

Look at the top five cards of target player’s library. Put any number of them on the bottom of that library in any order and the rest on top of the library in any order.

Fanning the Flames

Buyback (You may pay an additional as you cast this spell. If you do, put this card into your hand as it resolves.)
Fanning the Flames deals X damage to any target.

Change of Heart

Buyback (You may pay an additional as you cast this spell. If you do, put this card into your hand as it resolves.)
Target creature can’t attack this turn.

Hornet Cannon

, : Create a 1/1 colorless Insect artifact creature token with flying and haste named Hornet. Destroy it at the beginning of the next end step.

Thalakos Seer

Shadow (This creature can block or be blocked by only creatures with shadow.)
When Thalakos Seer leaves the battlefield, draw a card.

Repentance

Target creature deals damage to itself equal to its power.

Vhati il-Dal

: Until end of turn, target creature has base power 1 or base toughness 1.

Knight of Dawn

First strike
: Knight of Dawn gains protection from the color of your choice until end of turn.

Spinal Graft

Enchant creature
Enchanted creature gets +3/+3.
When enchanted creature becomes the target of a spell or ability, destroy that creature. It can’t be regenerated.

Rootwater Diver

, Sacrifice Rootwater Diver: Return target artifact card from your graveyard to your hand.