Armor Class 14
Hit Points 26 (4d8 + 8)
Speed 40 ft.
Saving Throws DEX +6, CON +4
Skills Athletics +3, Perception +3, Stealth +6
Damage Immunities poison
Condition Immunities poisoned
Senses darkvision 30 ft., passive Perception 13
Languages Common plus any one language
Challenge 1
Assassinate. During its first turn, the hybrid poisoner has advantage on attack rolls against any creature that hasn't taken a turn. Any hit the hybrid scores against a surprised creature is a critical hit.
Poisonous Skin. Any creature that touches the hybrid or hits it with a melee attack while within 5 feet of it takes 3 (1d6) poison damage.
Toxic Touch. Melee Weapon Attack: +6 to hit, reach 5 ft., one target. Hit: 7 (2d6) bludgeoning damage, and the target must succeed on a DC 12 Constitution saving throw or become poisoned for 1 minute. At the end of each of the poisoned target's turns, it must repeat the save, taking 3 (1d6) poison damage on a failed save, or ending the effect on itself on a successful one.
Guildmaster's Guide to Ravnica, p. 217