The Seventh Night

When The Seventh Night enters the battlefield, it becomes night.{Lns}When it becomes day, tap The Seventh Night. Its abilities can’t be activated until it is night again. {T}, {B}{B}: Put a horde counter on The Seventh Night. At the beginning of your upkeep, create a 2/2 black Zombie creature token for each horde counter on The Seventh Night. At the beginning of your combat phase, roll a d20: 1–9 | Create a 2/2 black Zombie creature token with haste.{Lns}10–19 | Create a 4/4 black Zombie creature token with haste, menace, and reach.{Lns}20 | Search your library for a Zombie card and put it onto the battlefield. It gains haste, menace, and reach. When The Seventh Night is put into your graveyard or exiled, return it to the battlefield tapped with 7 time counters on it. Remove a time counter at the beginning of your upkeep.