Gatecrash

Guardian of the Gateless | Creature | Angel | Flying Guardian of the Gateless can block any number of creatures. Whenever Guardian of the Gateless blocks, it gets +1/+1 until end of turn for each creature it's blocking. | Wesley Burt

Nav Squad Commandos | Creature | Human Soldier | Battalion — Whenever Nav Squad Commandos and at least two other creatures attack, Nav Squad Commandos gets +1/+1 until end of turn. Untap it. | Steve Prescott

Leyline Phantom | Creature | Illusion | When Leyline Phantom deals combat damage, return it to its owner's hand. (Return it only if it survived combat.) | Ryan Yee

Mindeye Drake | Creature | Drake | Flying When Mindeye Drake dies, target player mills five cards. | Lars Grant-West

Horror of the Dim | Creature | Horror | {U}: Horror of the Dim gains hexproof until end of turn. (It can't be the target of spells or abilities your opponents control.) | Jack Wang

Ogre Slumlord | Creature | Ogre Rogue | Whenever another nontoken creature dies, you may create a 1/1 black Rat creature token. Rats you control have deathtouch. | Trevor Claxton

Towering Thunderfist | Creature | Giant Soldier | {W}: Towering Thunderfist gains vigilance until end of turn. | Zoltan Boros

Wrecking Ogre | Creature | Ogre Warrior | Double strike Bloodrush — {3}{R}{R}, Discard Wrecking Ogre: Target attacking creature gets +3/+3 and gains double strike until end of turn. | Nils Hamm

Adaptive Snapjaw | Creature | Lizard Beast | Evolve (Whenever a creature enters the battlefield under your control, if that creature has greater power or toughness than this creature, put a +1/+1 counter on this creature.) | Tomasz Jedruszek

Rust Scarab | Creature | Insect | Whenever Rust Scarab becomes blocked, you may destroy target artifact or enchantment defending player controls. | Adam Paquette

Obzedat, Ghost Council | Legendary Creature | Spirit Advisor | When Obzedat, Ghost Council enters the battlefield, target opponent loses 2 life and you gain 2 life. At the beginning of your end step, you may exile Obzedat. If you do, return it to the battlefield under its owner's control at the beginning of your next upkeep. It gains haste. | Svetlin Velinov

Vizkopa Confessor | Creature | Human Cleric | Extort (Whenever you cast a spell, you may pay {W/B}. If you do, each opponent loses 1 life and you gain that much life.) When Vizkopa Confessor enters the battlefield, pay any amount of life. Target opponent reveals that many cards from their hand. You choose one of them and exile it. | Ryan Pancoast

Fortress Cyclops | Creature | Cyclops Soldier | Whenever Fortress Cyclops attacks, it gets +3/+0 until end of turn. Whenever Fortress Cyclops blocks, it gets +0/+3 until end of turn. | Maciej Kuciara

Consuming Aberration | Creature | Horror | Consuming Aberration's power and toughness are each equal to the number of cards in your opponents' graveyards. Whenever you cast a spell, each opponent reveals cards from the top of their library until they reveal a land card, then puts those cards into their graveyard. | Karl Kopinski

Zhur-Taa Swine | Creature | Boar | Bloodrush — {1}{R}{G}, Discard Zhur-Taa Swine: Target attacking creature gets +5/+4 until end of turn. | Yeong-Hao Han