I have translated the Lightbearer ability to enter astral space physically into a metamagic I call 'Shifting' - I am still working out the details (Drain, TNs, etc) but it limits your movement speed severely in comparison to other astral beings (just as it did back in ED days) and so it isn't all that useful for teleportation - except, of course, walking through walls, 'disappearing', and such feats.
While alot of them aren't fully developed or playtested, and I don't have the time right now to type all of the info on them out, I'll make a quick list of new metamagics I'm using/working on in my game:
Awakening - metamagic used by dragons/IEs/possibly some magical orders to awaken latent magical genes. this causes the recipćient to develop any latent magic - including goblinization, SURGE, drake form.
Blending - the ability to blend your aura into the astral background, making you harder to spot astrally.
Blocking - the ability to temporarily sever the link between a magician and his bonded foci. (adapted from SR2 Awakenings)
Calling - summoning the Wild Hunt (similar to invoking, taken from canon hints)
Cloaking - grants use of the Shadow Cloak critter power.
Concealing - grants limited use of the Concealment critter power (Unseen ability, inspired by hints of their unknown metamagics)
Concocting - grants the ability to create magical cxompounds (inspired by canon hints)
Constructing - the ability to create and alter purely astral terrain (dragon metamagic, inspired by canon suggestions)
Copying - conscious masking which allow the exact copying of another beings aura.
Cursing - quickening which is harder to dispel, but has a triggering condition which, if fulfilled, automatically breaks the spell.
Draining - the ability to drain life force from others to acheive a form of immortality (see Steven Kensons page)
Dreaming - the ability to enter someones dreams as if they were a metaplane (see Steven Kensons page)
Embodying - the ability to channel your totem modifiers into actual physical benefits (from VOLKOV9) (thanks for the reminder Talia!)
Empowering - the ability to grant additional powers to an ally spirit (as per the T:AL mentionings)
Focusing - enhanced centering to increase spell force and reduce area (inspired by another dumpshocker I forgot the name of
)
Forcing - the ability to cast spells with a simple action, with increased drain. (from ED)
Materializing - like the spirit power Materialization, with limits (see Mr.Kensons page, again)
Opening - sort of like the Astral Gateway power. (ED inspired)
Passing - the ability to physically pass through Natural Earth (as Celedyr and the koradji)
Piercing - the ability to penetrate the shielding or spell defense of another magician more effectively (again, inspired by dumpshocker - same as did Focusing)
Projecting - the ability to project a copy of your psyche into the astral, creating a kind of 'thought form' that is intimately linked to you (Unseen ability, inspired by their hinted at abilities)
Pushing - using blood magic to increase the effectiveness of adept powers (ED inspired)
Shifting - as mentioned, the ability to bodily enter astral space.
Shrouding - the ability to 'mask' your aura from detection spells and magical means of detection - similar to the Spell Shroud adept power (Unseen ability, inspired by their hinted at abilities)
Storing - creating an astral pocket where you can store items. (Inspired by ED, details tossed about between myself and dumpshocker Talia, with added input)
Suppressing - the ability to temporarily supress another magician's magical abilities.
Tapping - the ability to tap mana from a nearby power site or mana line without actually being in contact with it.
Transcending - the ability to learn to summon spirits from another tradition.
Unmasking - the ability to forcibly 'rob' another initate of their masking, revealing his or her true aura.
Weaving - the ability to give sustained spells a limited lifespan in astral space, sustaining themselves. (This one was taken from the Shadowrun Archive many years ago, and it's author has sadly been lost in the folds of time...)
Withholding - the ability to temporarily suppress ones shamanic mask for more subtle spellcasting/conjuring. (mostly from a forum topic, and also inspired by the Unseen's abilities)
Phew - there, those are it. More details can be had at request, but please don't request it for 'all of them' - it'd take too long for me to gather my notes together and type/copy-paste everything in...