Aetherborn is a black-aligned creature type introduced in Kaladesh, used for cards that depict humanoid creatures made from aether. Some Aetherborn can draw life essence from other beings into themselves to prolong their own existence; these have the sub-type vampire.
When General Tazri enters the battlefield, you may search your library for an Ally creature card, reveal it, put it into your hand, then shuffle your library. : Ally creatures you control get +X/+X until end of turn, where X is the number of colors among those creatures.
When Angel of Serenity enters the battlefield, you may exile up to three other target creatures from the battlefield and/or creature cards from graveyards. When Angel of Serenity leaves the battlefield, return the exiled cards to their owners' hands.
These rather shy browsers are found in well-bushed regions and hills, and can remain motionless for long periods of time when feeling threatened. Kudu bulls have highly recognizable long, spiral horns (as portrayed above). As with most antelope species, females are hornless and relatively smaller in size.
Archons are mystical celestial beings that are heavily aligned with the principles of White, have obscured faces, and always appear on a flying steed (a winged lion, bull or other creature). Archon is a Greek word that means "ruler", "magistrate" or "lord".