Guilds of Ravnica

Darkblade Agent | Creature | Human Assassin | As long as you've surveilled this turn, Darkblade Agent has deathtouch and "Whenever this creature deals combat damage to a player, you draw a card." | Joe Slucher

Disinformation Campaign | Enchantment | | When Disinformation Campaign enters the battlefield, you draw a card and each opponent discards a card. Whenever you surveil, return Disinformation Campaign to its owner's hand. | Anthony Palumbo

Mnemonic Betrayal | Sorcery | | Exile all opponents' graveyards. You may cast spells from among those cards this turn, and you may spend mana as though it were mana of any type to cast those spells. At the beginning of the next end step, if any of those cards remain exiled, return them to their owners' graveyards. Exile Mnemonic Betrayal. | Clint Cearley

Notion Rain | Sorcery | | Surveil 2, then draw two cards. Notion Rain deals 2 damage to you. (To 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.) | Lius Lasahido

Thief of Sanity | Creature | Specter | Flying Whenever Thief of Sanity deals combat damage to a player, look at the top three cards of that player's library, exile one of them face down, then put the rest into their graveyard. You may look at and cast that card for as long as it remains exiled, and you may spend mana as though it were mana of any type to cast that spell. | Igor Kieryluk

Unmoored Ego | Sorcery | | Choose a card name. Search target opponent's graveyard, hand, and library for up to four cards with that name and exile them. That player shuffles, then draws a card for each card exiled from their hand this way. | Volkan Baǵa

Whisper Agent | Creature | Human Rogue | Flash When Whisper Agent enters the battlefield, surveil 1. (Look at the top card of your library. You may put it into your graveyard.) | Deruchenko Alexander

Beacon Bolt | Sorcery | | Beacon Bolt deals damage to target creature equal to the total number of instant and sorcery cards you own in exile and in your graveyard. Jump-start (You may cast this card from your graveyard by discarding a card in addition to paying its other costs. Then exile this card.) | Titus Lunter

Ionize | Instant | | Counter target spell. Ionize deals 2 damage to that spell's controller. | Chase Stone

Sonic Assault | Instant | | Tap target creature. Sonic Assault deals 2 damage to that creature's controller. Jump-start (You may cast this card from your graveyard by discarding a card in addition to paying its other costs. Then exile this card.) | Tyler Walpole

Wee Dragonauts | Creature | Faerie Wizard | Flying Whenever you cast an instant or sorcery spell, Wee Dragonauts gets +2/+0 until end of turn. | Greg Staples

Piston-Fist Cyclops | Creature | Cyclops | Defender As long as you've cast an instant or sorcery spell this turn, Piston-Fist Cyclops can attack as though it didn't have defender. | Wayne Reynolds