Guilds of Ravnica

Demotion | Enchantment | Aura | Enchant creature Enchanted creature can't block, and its activated abilities can't be activated. | Joe Slucher

Gird for Battle | Sorcery | | Put a +1/+1 counter on each of up to two target creatures. | Jakub Kasper

Haazda Marshal | Creature | Human Soldier | Whenever Haazda Marshal and at least two other creatures attack, create a 1/1 white Soldier creature token with lifelink. | Josh Hass

Integrity | Instant | | Target creature gets +2/+2 until end of turn. | Ben Maier