Innistrad: Crimson Vow

Inspired Idea | Sorcery | | Cleave {3}{U}{U} (You may cast this spell for its cleave cost. If you do, remove the words in square brackets.) Draw three cards. [Your maximum hand size is reduced by three for the rest of the game.] | Alix Branwyn

Demonic Bargain | Sorcery | | Exile the top thirteen cards of your library, then search your library for a card. Put that card into your hand, then shuffle. | Sam Guay

Path of Peril | Sorcery | | Cleave {4}{W}{B} (You may cast this spell for its cleave cost. If you do, remove the words in square brackets.) Destroy all creatures [with mana value 2 or less]. | Kasia 'Kafis' Zielińska

Alchemist's Gambit | Sorcery | | Cleave {4}{U}{U}{R} (You may cast this spell for its cleave cost. If you do, remove the words in square brackets.) Take an extra turn after this one. During that turn, damage can't be prevented. [At the beginning of that turn's end step, you lose the game.] Exile Alchemist's Gambit. | Zoltan Boros