Innistrad: Crimson Vow

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

Wandering Mind | Creature | Horror | Flying When Wandering Mind enters the battlefield, look at the top six cards of your library. You may reveal a noncreature, nonland card from among them and put it into your hand. Put the rest on the bottom of your library in a random order. | Simon Dominic

Eruth, Tormented Prophet | Legendary Creature | Human Wizard | If you would draw a card, exile the top two cards of your library instead. You may play those cards this turn. | Ekaterina Burmak