Secrets of Strixhaven Commander

Worm

Creature — Horror

Other black creatures you control get +1/+1.
Other green creatures you control get +1/+1.
At the beginning of your upkeep, you may create a 1/1 black and green Worm creature token.

Creakwood Liege

Double Masters 2022

Creature — Specter

Flying
Whenever this creature deals combat damage to a player, that player discards a card.
Unearth {1}{B} ({1}{B}: Return this card from your graveyard to the battlefield. It gains haste. Exile it at the beginning of the next end step or if it would leave the battlefield. Unearth only as a sorcery.)

Sedraxis Specter

The List

Sorcery

As an additional cost to cast this spell, sacrifice a creature.
Destroy target creature.

Bone Splinters

Shards of Alara

Creature — Lizard Skeleton

{1}{B}, Discard a card: Regenerate this creature.

Viashino Skeleton

Eventide

Creature — Goblin Shaman

Chroma — When this creature enters, it deals damage to target creature equal to the number of red mana symbols in the mana costs of permanents you control.

Outrage Shaman

Artifact Creature — Scarecrow

{3}: Target blue creature gains shroud until end of turn. (It can't be the target of spells or abilities.)