Guilds of Ravnica

Kraul Swarm | Creature | Insect Warrior | Flying {2}{B}, Discard a creature card: Return Kraul Swarm from your graveyard to your hand. | Jehan Choo

Lotleth Giant | Creature | Zombie Giant | Undergrowth — When Lotleth Giant enters the battlefield, it deals 1 damage to target opponent for each creature card in your graveyard. | Alex Konstad

Pilfering Imp | Creature | Imp | Flying {1}{B}, {T}, Sacrifice Pilfering Imp: Target opponent reveals their hand. You choose a nonland card from it. That player discards that card. Activate only as a sorcery. | Igor Kieryluk

Plaguecrafter | Creature | Human Shaman | When Plaguecrafter enters the battlefield, each player sacrifices a creature or planeswalker. Each player who can't discards a card. | Anna Steinbauer

Undercity Necrolisk | Creature | Zombie Lizard | {1}, Sacrifice another creature: Put a +1/+1 counter on Undercity Necrolisk. It gains menace until end of turn. Activate only as a sorcery. (It can't be blocked except by two or more creatures.) | Tomasz Jedruszek

Whispering Snitch | Creature | Vampire Rogue | Whenever you surveil for the first time each turn, Whispering Snitch deals 1 damage to each opponent and you gain 1 life. | Jason Rainville

Dimir Spybug | Creature | Insect | Flying Menace (This creature can't be blocked except by two or more creatures.) Whenever you surveil, put a +1/+1 counter on Dimir Spybug. | James Paick

House Guildmage | Creature | Human Wizard | {1}{U}, {T}: Target creature doesn't untap during its controller's next untap step. {2}{B}, {T}: 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.) | Winona Nelson

Nightveil Predator | Creature | Vampire | Flying, deathtouch Hexproof (This creature can't be the target of spells or abilities your opponents control.) | Darek Zabrocki

Glowspore Shaman | Creature | Elf Shaman | When Glowspore Shaman enters the battlefield, mill three cards. You may put a land card from your graveyard on top of your library. | Lars Grant-West

Golgari Findbroker | Creature | Elf Shaman | When Golgari Findbroker enters the battlefield, return target permanent card from your graveyard to your hand. | Bram Sels

Molderhulk | Creature | Fungus Zombie | Undergrowth — This spell costs {1} less to cast for each creature card in your graveyard. When Molderhulk enters the battlefield, return target land card from your graveyard to the battlefield. | Titus Lunter

Ochran Assassin | Creature | Elf Assassin | Deathtouch All creatures able to block Ochran Assassin do so. | Anna Steinbauer

Swarm Guildmage | Creature | Elf Shaman | {4}{B}, {T}: Creatures you control get +1/+0 and gain menace until end of turn. (They can't be blocked except by two or more creatures.) {1}{G}, {T}: You gain 2 life. | Simon Dominic