Innistrad: Crimson Vow

Thirst for Discovery | Instant | | Draw three cards. Then discard two cards unless you discard a basic land card. | Dominik Mayer

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

Winged Portent | Instant | | Cleave {4}{G}{U} (You may cast this spell for its cleave cost. If you do, remove the words in square brackets.) Draw a card for each creature [with flying] you control. | Nicholas Gregory

Geistlight Snare | Instant | | This spell costs {1} less to cast if you control a Spirit. It also costs {1} less to cast if you control an enchantment. Counter target spell unless its controller pays {3}. | Anato Finnstark

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

Hero's Downfall | Instant | | Destroy target creature or planeswalker. | Chris Rallis

Rending Flame | Instant | | Rending Flame deals 5 damage to target creature or planeswalker. If that permanent is a Spirit, Rending Flame also deals 2 damage to that permanent's controller. | Olena Richards

Vampires' Vengeance | Instant | | Vampires' Vengeance deals 2 damage to each non-Vampire creature. Create a Blood token. (It's an artifact with "{1}, {T}, Discard a card, Sacrifice this artifact: Draw a card.") | Chris Cold

Wolf Strike | Instant | | Target creature you control gets +2/+0 until end of turn if it's night. Then it deals damage equal to its power to target creature you don't control. | Wisnu Tan

Crushing Canopy | Instant | | Choose one — • Destroy target creature with flying. • Destroy target enchantment. | Svetlin Velinov