Innistrad: Crimson Vow

Chill of the Grave | Instant | | This spell costs {1} less to cast if you control a Zombie. Tap target creature. It doesn't untap during its controller's next untap step. Draw a card. | Olivier Bernard

Syncopate | Instant | | Counter target spell unless its controller pays {X}. If that spell is countered this way, exile it instead of putting it into its owner's graveyard. | Marta Nael

Scattered Thoughts | Instant | | Look at the top four cards of your library. Put two of those cards into your hand and the rest into your graveyard. | Brian Valeza

Serpentine Ambush | Instant | | Until end of turn, target creature becomes a blue Serpent with base power and toughness 5/5. | Jokubas Uogintas

Alchemist's Retrieval | Instant | | Cleave {1}{U} (You may cast this spell for its cleave cost. If you do, remove the words in square brackets.) Return target nonland permanent [you control] to its owner's hand. | David Auden Nash

Syphon Essence | Instant | | Counter target creature or planeswalker spell. Create a Blood token. (It's an artifact with "{1}, {T}, Discard a card, Sacrifice this artifact: Draw a card.") | Sean Murray