Aletame, Master Entity of Evil

Hexproof, vigilance, menace
When Aletame enters the battle field all black creatures the player control gain Indestructible as long as Aletame does not manifest
Manifest, Aletame gains a physical form giving him +9/+9 (manifest activates if a player casts a spell, loses hexproof)
{b}{b}{2} Return to battlefield