My Two Cents:
1) Shard Of Focus needs to be changed completely. Free, multiple-use permanent removal is unprecedented and overpowered enough without the Rage/GPull synergies that currently exist.
2) SoFo should be a permanent or spell, not a creature. How can a glowing crystal even be animate? (ignoring golems.. )
If it is turned into a permanent, Give it either spammable GPull casts, or a cloak-bonewall like combo ability, hiding your permanents beneath several layers of SoFo. and no countdown timer.
If it's turned into a spell, give it an ability based around chimera- GPull, Momentum, +30hp. On a single target. I don't have many shard-worthy ideas for this one.