Venom's Hunger

This spell costs less to cast if it targets a legendary creature.

Destroy target creature.

Surveil 2. (Look at the top two cards of your library, then put any number of them into your graveyard and the rest on top of your library in any order.)

Destroy target creature. You gain 3 life.

This spell costs less to cast if it targets a creature that was dealt damage this turn.

Destroy target creature. Its controller loses 2 life.

Destroy target creature. If that creature was a Human, you gain life equal to its toughness.

Destroy target creature. Its controller loses 2 life and you gain 2 life.

This spell costs less to cast if you control an artifact and less to cast if you control an enchantment.

Destroy target creature or planeswalker.