Ikoria: Lair of Behemoths

Blood Curdle | Instant | | Destroy target creature. Put a menace counter on a creature you control. (It can't be blocked except by two or more creatures.) | Antonio José Manzanedo

Corpse Churn | Instant | | Mill three cards, then you may return a creature card from your graveyard to your hand. (To mill a card, put the top card of your library into your graveyard.) | Lars Grant-West

Dark Bargain | Instant | | Look at the top three cards of your library. Put two of them into your hand and the other into your graveyard. Dark Bargain deals 2 damage to you. | Scott Murphy

Suffocating Fumes | Instant | | Creatures your opponents control get -1/-1 until end of turn. Cycling {2} ({2}, Discard this card: Draw a card.) | Anastasia Ovchinnikova

Unexpected Fangs | Instant | | Put a +1/+1 counter and a lifelink counter on target creature. | Jesper Ejsing

Unlikely Aid | Instant | | Target creature gets +2/+0 and gains indestructible until end of turn. (Damage and effects that say "destroy" don't destroy it.) | Randy Vargas