Beast Within

Destroy target permanent. Its controller creates a 3/3 green Beast creature token.

Cast Down

Stifle

Counter target activated or triggered ability. (Mana abilities can't be targeted.)

Swords to Plowshares

Exile target creature. Its controller gains life equal to its power.

Swan Song

Counter target enchantment, instant, or sorcery spell. Its controller creates a 2/2 blue Bird creature token with flying.

Arcane Denial

Counter target spell. Its controller may draw up to two cards at the beginning of the next turn's upkeep.
You draw a card at the beginning of the next turn's upkeep.

Utter End

Consign to Memory

Replicate {1} (When you cast this spell, copy it for each time you paid its replicate cost. You may choose new targets for the copies.)
Counter target triggered ability or colorless spell.

Chaos Warp

The owner of target permanent shuffles it into their library, then reveals the top card of their library. If it's a permanent card, they put it onto the battlefield.

Strix Serenade

Counter target artifact, creature, or planeswalker spell. Its controller creates a 2/2 blue Bird creature token with flying.

Feed the Swarm

Destroy target creature or enchantment an opponent controls. You lose life equal to that permanent's mana value.

Reclamation Sage

When this creature enters, you may destroy target artifact or enchantment.

Counterspell

Anguished Unmaking

Exile target nonland permanent. You lose 3 life.

Terminate

Destroy target creature. It can't be regenerated.

Power Word Kill

Destroy target non-Angel, non-Demon, non-Devil, non-Dragon creature.

Despark

Exile target permanent with mana value 4 or greater.

Spell Pierce

Counter target noncreature spell unless its controller pays {2}.

Path to Exile

Exile target creature. Its controller may search their library for a basic land card, put that card onto the battlefield tapped, then shuffle.