Ravnica Allegiance

Forbidding Spirit | Creature | Spirit Cleric | When Forbidding Spirit enters the battlefield, until your next turn, creatures can't attack you or planeswalkers you control unless their controller pays {2} for each of those creatures. | Ryan Yee

Ministrant of Obligation | Creature | Human Cleric | Afterlife 2 (When this creature dies, create two 1/1 white and black Spirit creature tokens with flying.) | Bastien L. Deharme

Gateway Sneak | Creature | Vedalken Rogue | Whenever a Gate enters the battlefield under your control, Gateway Sneak can't be blocked this turn. Whenever Gateway Sneak deals combat damage to a player, draw a card. | Matt Stewart

Bloodmist Infiltrator | Creature | Vampire | Whenever Bloodmist Infiltrator attacks, you may sacrifice another creature. If you do, Bloodmist Infiltrator can't be blocked this turn. | Mitchell Malloy

Spire Mangler | Creature | Insect | Flash Flying When Spire Mangler enters the battlefield, target creature with flying you control gets +2/+0 until end of turn. | Tomasz Jedruszek

Clamor Shaman | Creature | Goblin Shaman | Riot (This creature enters the battlefield with your choice of a +1/+1 counter or haste.) Whenever Clamor Shaman attacks, target creature an opponent controls can't block this turn. | Tomasz Jedruszek

Gatebreaker Ram | Creature | Sheep | Gatebreaker Ram gets +1/+1 for each Gate you control. As long as you control two or more Gates, Gatebreaker Ram has vigilance and trample. | Even Amundsen

Gyre Engineer | Creature | Vedalken Wizard | {T}: Add {G}{U}. | Anthony Palumbo

Hackrobat | Creature | Human Rogue | Spectacle {B}{R} (You may cast this spell for its spectacle cost rather than its mana cost if an opponent lost life this turn.) {B}: Hackrobat gains deathtouch until end of turn. {R}: Hackrobat gets +2/-2 until end of turn. | Simon Dominic