Oracle

The Oracle is an aerial protoss support vessel with several versatile abilities appearing in StarCraft II: Heart of the Swarm.

Abilities
Phase Shift: Phases out a unit for approximately 45 seconds, preventing it from being attacked, using abilities, researching, or building.

Pre-Ordain: Gives vision of a target building and what it is constructing/researching for 2 minutes. Gives vision of hatcheries, but does not say what Larva are evolving into.

Entomb: Area of Effect Spell. Encases minerals in a shell, making them unharvestable for ~1 minute. The shell has 80 health and can be destroyed on each mineral field.

Additional information

 * First revealed October 21 during BlizzCon 2011 in a Heart of the Swarm demo.