Turns out, Sorin was completely fine in Pioneer and Explorer for several years in the format, not making any waves or really doing much of anything for quite some time
II, III, IV Tap up to one target creature and put a stun counter on it
Part of this is only having a single copy of it and everything else making you unable to rely on the Tog to do what you want
It's an overall lower-power set than the original Commander Legends, with only a few cards like the Ancient Metal Dragons and Displacer Kitten to power things up a bit
That said, there are so many set symbols that it is difficult to know what each one is, so there's no shame in looking it up with a Gatherer tool
Or, if you dont feel like looking so hard, read on